{"title":"Deep Apnea","description":"","products":[{"product_id":"deep-apnea-unlimited-70cm-carbon-fiber-fin-blades","title":"Deep Apnea Unlimited 70cm Carbon Fiber Fin Blades","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eDeep Apnea Unlimited 70cm Carbon Fiber Fin Blades are designed for freediving and spearfishing and are intended to be assembled with compatible foot pockets. Their multilayer Variable Parabolic Stiffness construction and quadraxial carbon-fiber structure manage flex, recovery, and torsional response through the kick cycle.\u003c\/p\u003e\u003ch6\u003eBlade response\u003c\/h6\u003e\u003cp\u003eThe multilayer carbon layup creates a Variable Parabolic Stiffness profile so the blade can flex progressively and recover as the kick changes direction. Carbon fibers positioned at 0°, +60°, 90°, and -60° distribute loads in multiple directions, helping the blade resist twisting while retaining the longitudinal flex required for finning. The construction is also designed to reduce unwanted vibration during controlled kicks.\u003c\/p\u003e\u003ch6\u003eChoosing stiffness\u003c\/h6\u003e\u003cp\u003eStiffness selection should account for body mass and leg strength rather than being treated as a universal rating. The blade needs to flex substantially during the kick and recover as the leg reverses direction; excessive stiffness can increase leg resistance and fatigue, while insufficient stiffness can reduce the amount of water moved during each stroke.\u003c\/p\u003e\u003ch6\u003eFoot-pocket setup\u003c\/h6\u003e\u003cp\u003eThese are fin blades only and require separately purchased foot pockets. The mounting-hole pattern must correspond to the selected foot-pocket system. If drilling is required, mounting holes larger than 6 mm or 1\/4 in, or holes placed through the bend area of the blade, fall outside the manufacturer's warranty conditions. Warranty coverage also depends on installation in an approved foot-pocket system or confirmation that an alternative system is acceptable.\u003c\/p\u003e","brand":"Deep Apnea","offers":[{"title":"No Holes \/ Soft","offer_id":48937405939904,"sku":"GOH-594-PPD","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Cressi Gara \/ Soft","offer_id":50497800372416,"sku":"CDR-745-ZSD","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Multiple Brands \/ Soft","offer_id":50497800405184,"sku":"ZXQ-726-RMX","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Beauchat \/ Soft","offer_id":50497800437952,"sku":"HKW-444-DPB","price":329.99,"currency_code":"USD","in_stock":false},{"title":"No Holes \/ Medium","offer_id":48937405972672,"sku":"PJJ-644-JIV","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Cressi Gara \/ Medium","offer_id":50497800470720,"sku":"WPD-973-QYK","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Multiple Brands \/ Medium","offer_id":50497800503488,"sku":"CME-893-BQC","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Beauchat \/ Medium","offer_id":50497800536256,"sku":"TYW-634-XJX","price":329.99,"currency_code":"USD","in_stock":false},{"title":"No Holes \/ Hard","offer_id":48937406005440,"sku":"TUS-046-APN","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Cressi Gara \/ Hard","offer_id":50497800569024,"sku":"RMP-429-PHT","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Multiple Brands \/ Hard","offer_id":50497800601792,"sku":"BQV-996-JXR","price":329.99,"currency_code":"USD","in_stock":false},{"title":"Drill for Beauchat \/ Hard","offer_id":50497800634560,"sku":"QUH-942-EBY","price":329.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7394\/9888\/files\/f8e19541-c49e-4191-ae8d-bc9f7a8b4d7b.png?v=1788233125"},{"product_id":"deep-apnea-carbon-fiber-euros-80cm-fin-blades","title":"Deep Apnea Euros 80cm Carbon Fiber Fin Blades","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eDeep Apnea Euros 80cm Carbon Fiber Fin Blades are designed for freediving and spearfishing, combining responsive propulsion with controlled flexibility for efficient underwater movement. Their multilayer carbon construction supports smooth surface swimming, precise positioning while hunting, and powerful ascents.\u003c\/p\u003e\u003ch6\u003eCarbon fiber construction and performance\u003c\/h6\u003e\u003cp\u003eThe blades use Deep Apnea's Variable Parabolic Stiffness (VPS) design, which distributes flexibility through the carbon fiber layers to produce a responsive bending and recovery action. This allows the blades to store energy during each kick and release it as they return toward their original shape, supporting efficient propulsion with reduced effort.\u003c\/p\u003e\u003cp\u003eThe quadraxial carbon fiber structure incorporates fibers oriented at 0°, +60°, 90°, and -60°. This multidirectional arrangement increases resistance to torsional forces, helping the blades maintain stability during kicking. The responsive construction also supports controlled, low-vibration movements when approaching fish.\u003c\/p\u003e\u003ch6\u003eStiffness selection\u003c\/h6\u003e\u003cp\u003eChoosing the appropriate stiffness depends primarily on body weight and leg strength. The blades should flex sufficiently during kicking to provide effective propulsion without excessive resistance. A blade that is too stiff can increase leg fatigue, while one that is too flexible may provide insufficient propulsion for the diver. Deep Apnea recommends selecting stiffness according to its weight and strength guidelines.\u003c\/p\u003e\u003ch6\u003eFootpocket installation and compatibility\u003c\/h6\u003e\u003cp\u003eThese are replacement fin blades supplied without footpockets. They require compatible footpockets for use as complete diving fins. Mounting holes can be prepared for supported footpocket designs, or the blades can be supplied undrilled for installation according to the selected footpocket's requirements.\u003c\/p\u003e\u003cp\u003eConfirm the intended footpocket model and mounting pattern before installation. Deep Apnea recommends mechanically fastened footpockets with full-length tendons and specifies approved footpocket models for warranty coverage. Improper drilling or installation can affect blade integrity and warranty eligibility.\u003c\/p\u003e","brand":"Deep Apnea","offers":[{"title":"Soft \/ No Holes","offer_id":50501097455808,"sku":"JCD-773-GFS","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Cressi Gara","offer_id":50501097488576,"sku":"WLC-074-AUK","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Multiple Brands","offer_id":50501097521344,"sku":"CIR-102-FGG","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Beauchat","offer_id":50501097554112,"sku":"SCG-971-DMT","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ No Holes","offer_id":50501097586880,"sku":"MFC-105-SPS","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Cressi Gara","offer_id":50501097619648,"sku":"JCM-815-GJN","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Multiple Brands","offer_id":50501097652416,"sku":"SKG-202-HLQ","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Beauchat","offer_id":50501097685184,"sku":"HOK-061-OYY","price":389.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ No Holes","offer_id":50501097717952,"sku":"UMH-646-AEL","price":419.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Cressi Gara","offer_id":50501097750720,"sku":"MSH-328-ZRI","price":419.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Multiple Brands","offer_id":50501097783488,"sku":"TWM-083-EDJ","price":419.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Beauchat","offer_id":50501097816256,"sku":"TCA-107-ANC","price":419.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7394\/9888\/files\/imgi_17_EurosCompressed3-nobg-optimized.webp?v=1792029601"},{"product_id":"deep-apnea-euros-80cm-carbon-fiber-fin-blades","title":"Deep Apnea Quadraxial 85cm Carbon Fiber Fin Blades","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eDeep Apnea Quadraxial 85cm Carbon Fiber Fin Blades are designed for freediving and spearfishing, combining responsive carbon fiber construction with controlled flex for efficient underwater propulsion. Their multilayer structure supports smooth surface swimming, precise movements while hunting, and powerful ascents with reduced kicking effort.\u003c\/p\u003e\u003ch6\u003eQuadraxial construction and blade response\u003c\/h6\u003e\u003cp\u003eThe Quadraxial structure arranges carbon fibers in four orientations: 0°, +60°, 90°, and -60°. This multidirectional reinforcement helps resist torsional deformation, keeping the blade more stable as it bends and recovers during each kick.\u003c\/p\u003e\u003cp\u003eVariable Parabolic Stiffness (VPS) uses the layered carbon construction to control how the blade flexes under load. As the blade bends and returns toward its original shape, it transfers energy into propulsion. This responsive action allows divers to maintain movement with smaller, controlled kicks, particularly useful when approaching fish or adjusting position underwater.\u003c\/p\u003e\u003ch6\u003eStiffness selection\u003c\/h6\u003e\u003cp\u003eChoosing the appropriate stiffness depends on the diver's body weight, leg strength, and kicking technique. The blade should flex sufficiently during each kick to generate propulsion without excessive resistance. A blade that is too stiff can increase leg fatigue, while one that is too flexible may not provide adequate propulsion for the diver.\u003c\/p\u003e\u003ch6\u003eFoot pocket installation\u003c\/h6\u003e\u003cp\u003eThese are fin blades only; foot pockets must be purchased separately. The blades can be ordered with a mounting-hole pattern prepared for the intended foot pocket or left undrilled for a suitable custom installation. Confirm the foot pocket model before selecting a drilling configuration, as mounting patterns are not universal.\u003c\/p\u003e\u003cp\u003eProper mechanical attachment and compatible foot pockets are important for secure installation and warranty eligibility. Deep Apnea recommends approved foot pocket designs and restricts drilling practices that could compromise the blade structure.\u003c\/p\u003e","brand":"Deep Apnea","offers":[{"title":"Soft \/ No Holes","offer_id":50501097849024,"sku":"FMO-355-DDW","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Cressi","offer_id":50501097881792,"sku":"GNP-101-OTA","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Multiple Brands","offer_id":50501097914560,"sku":"PPW-478-VCU","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Beauchat","offer_id":50501097947328,"sku":"JBA-766-KFJ","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Medium \/ No Holes","offer_id":50501097980096,"sku":"BRK-284-PRK","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Cressi","offer_id":50501098012864,"sku":"TSI-460-PSW","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Multiple Brands","offer_id":50501098045632,"sku":"EFL-097-AXR","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Beauchat","offer_id":50501098078400,"sku":"JPI-593-WPW","price":449.0,"currency_code":"USD","in_stock":false},{"title":"Hard \/ No Holes","offer_id":50501098111168,"sku":"YGS-137-UXN","price":485.0,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Cressi","offer_id":50501098143936,"sku":"STW-929-RLY","price":485.0,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Multiple Brands","offer_id":50501098176704,"sku":"UPU-989-RAO","price":485.0,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Beauchat","offer_id":50501098209472,"sku":"MOE-768-PEK","price":485.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7394\/9888\/files\/imgi_17_QuadraxialCompressed3-nobg-optimized.webp?v=1792028549"},{"product_id":"deep-apnea-quadraxial-100cm-carbon-fiber-fin-blades","title":"Deep Apnea Quadraxial 100cm Carbon Fiber Fin Blades","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eDeep Apnea Quadraxial 100cm Carbon Fiber Fin Blades are designed for freediving and spearfishing, combining aerospace-grade carbon fiber with Variable Parabolic Stiffness (VPS) technology. Their multilayer construction supports responsive propulsion during surface swimming, underwater maneuvering, and ascents while minimizing unnecessary blade vibration.\u003c\/p\u003e\u003ch6\u003eBlade construction and performance\u003c\/h6\u003e\u003cp\u003eThe Quadraxial structure positions carbon fibers in four directions: 0°, +60°, 90°, and -60°. This multidirectional arrangement increases resistance to twisting forces, helping the blade maintain stability as it flexes under load. The VPS laminate controls how the blade bends and rebounds throughout each kick, allowing energy to transfer through the blade during propulsion. This response also supports smaller, controlled movements when approaching fish underwater.\u003c\/p\u003e\u003ch6\u003eStiffness selection\u003c\/h6\u003e\u003cp\u003eBlade stiffness should be selected according to the diver's body weight and leg strength. Properly matched blades flex under kicking pressure and recover during the return stroke. Excessively stiff blades can increase leg fatigue, while blades that are too flexible may provide insufficient resistance for efficient propulsion.\u003c\/p\u003e\u003ch6\u003eFoot pocket compatibility and installation\u003c\/h6\u003e\u003cp\u003eThese are fin blades only; foot pockets must be purchased separately. The mounting-hole configuration must match the intended foot pocket before installation. Deep Apnea recommends mechanically fastened foot pockets with full-length tendons and maintains a list of approved models for warranty eligibility. Using unapproved foot pockets or drilling oversized holes or holes through the blade's curved section may void warranty coverage.\u003c\/p\u003e","brand":"Deep Apnea","offers":[{"title":"Soft \/ No Holes","offer_id":50501098242240,"sku":"FVZ-192-WIT","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Beauchat","offer_id":50501098275008,"sku":"ZDG-737-UMN","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Cressi","offer_id":50501098307776,"sku":"SBE-727-GPZ","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Hammerhead","offer_id":50501098340544,"sku":"IAL-549-IYL","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ No Holes","offer_id":50501098373312,"sku":"BUN-071-PHL","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Beauchat","offer_id":50501098406080,"sku":"SAC-345-UFP","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Cressi","offer_id":50501098438848,"sku":"OGQ-980-GLY","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Hammerhead","offer_id":50501098471616,"sku":"TLL-686-RSJ","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ No Holes","offer_id":50501098504384,"sku":"VCZ-663-GBR","price":549.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Beauchat","offer_id":50501098537152,"sku":"AYO-169-ZVL","price":549.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Cressi","offer_id":50501098569920,"sku":"UVZ-352-HGP","price":549.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Hammerhead","offer_id":50501098602688,"sku":"MDM-903-HPJ","price":549.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7394\/9888\/files\/imgi_20_Quadraxial100cmCompressed3-nobg-optimized.webp?v=1792031033"},{"product_id":"deep-apnea-elite-85cm-carbon-fiber-fin-blades","title":"Deep Apnea Elite 85cm Carbon Fiber Fin Blades","description":"\u003ch6\u003eOverview\u003c\/h6\u003e\u003cp\u003eThe Deep Apnea Elite 85cm Carbon Fiber Fin Blades are designed for freediving and spearfishing, combining a multilayer carbon fiber construction with responsive flex characteristics. Their design supports efficient propulsion during surface swimming, controlled underwater movement, and ascents, with reduced vibration during smaller fin kicks.\u003c\/p\u003e\u003ch6\u003eCarbon Fiber Construction and Performance\u003c\/h6\u003e\u003cp\u003eThe blades incorporate Variable Parabolic Stiffness (VPS), a multilayer carbon arrangement designed to produce a responsive flex and recovery cycle. As the blade bends under kicking force, its structure allows it to return toward its original shape, supporting propulsion while reducing unnecessary effort.\u003c\/p\u003e\u003cp\u003eThe quadraxial construction positions carbon fibers along four different orientations to improve resistance to torsional twisting. This reinforcement helps maintain controlled blade movement during directional changes and subtle kicks when approaching fish.\u003c\/p\u003e\u003ch6\u003eFoot Pocket Compatibility and Installation\u003c\/h6\u003e\u003cp\u003eThese are replacement fin blades only; foot pockets must be purchased separately. Installation requires a mounting configuration compatible with the intended foot pockets. Select the appropriate drilling option before ordering, particularly when fitting the blades to existing foot pockets.\u003c\/p\u003e\u003cp\u003eBlade stiffness should be selected according to body weight, leg strength, and kicking technique. Proper stiffness allows the blade to flex and recover effectively throughout the kick cycle, while an excessively stiff blade may increase fatigue and reduce propulsion efficiency.\u003c\/p\u003e\u003cp\u003eDeep Apnea provides a three-year limited warranty against qualifying blade defects and breakage during normal freediving use, subject to registration, approved foot pocket installation, and manufacturer warranty conditions.\u003c\/p\u003e","brand":"Deep Apnea","offers":[{"title":"Soft \/ No Holes","offer_id":50501098635456,"sku":"CUB-777-JUM","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Beauchat","offer_id":50501098668224,"sku":"ZZY-582-XGY","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Cressi","offer_id":50501098700992,"sku":"RVJ-242-MPY","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Soft \/ Drill for Hammerhead","offer_id":50501098733760,"sku":"VNQ-614-KNJ","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ No Holes","offer_id":50501098766528,"sku":"VGP-465-VUD","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Beauchat","offer_id":50501098799296,"sku":"RJM-991-VKO","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Cressi","offer_id":50501098832064,"sku":"BYM-565-CEY","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Medium \/ Drill for Hammerhead","offer_id":50501098864832,"sku":"MXU-839-CZU","price":499.99,"currency_code":"USD","in_stock":false},{"title":"Hard \/ No Holes","offer_id":50501098897600,"sku":"IZC-780-DYC","price":549.0,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Beauchat","offer_id":50501098930368,"sku":"HSN-330-RBH","price":549.0,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Cressi","offer_id":50501098963136,"sku":"RBR-967-XKA","price":549.0,"currency_code":"USD","in_stock":false},{"title":"Hard \/ Drill for Hammerhead","offer_id":50501098995904,"sku":"DNG-643-JNU","price":549.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7394\/9888\/files\/imgi_117_EliteCompressed3-nobg-optimized.webp?v=1792030743"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0734\/7394\/9888\/collections\/29ab633f-00ba-46a5-a7e9-7976ac7639f3.webp?v=1788446070","url":"https:\/\/www.foreveryoungoutfitters.com\/collections\/brand-deep-apnea.oembed","provider":"Forever Young Outfitters","version":"1.0","type":"link"}