STOCK UPDATE: We have new shipments of Apeks RK3 fins arriving weekly! If you do not see your preferred size or colour currently in stock, please contact us directly so we can check incoming inventory for you.
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Renowned for outstanding performance and ultimate reliability, the Apeks RK3 Dive Fin was designed in collaboration with the US military. Based on one of the first vented rubber fins sold in North America, the RK3 is a compact, ultra-rugged thermoplastic rubber fin built to withstand extreme temperatures, harsh underwater environments, and demanding dive conditions.
Military-Grade Vented Blade & Oversized Foot Pocket
Features a short, wide blade design that delivers powerful forward propulsion while maintaining exceptional manoeuvrability in tight spaces. Hydrodynamic blade vents reduce resistance on the upstroke and enhance thrust on the downstroke, while eliminating vortexes along the back of the blade. The enlarged foot pocket easily accommodates bulky drysuit boots or thick wetsuit booties.
Features and Benefits
- Proven Military Legacy: Based on standard gear issue designs used by military, special ops, coast guard, and public safety divers for decades.
- Stainless Steel Spring Straps: Equipped as standard with durable stainless spring straps and custom buckles for effortless donning and doffing with cold hands or thick gloves.
- Heavy-Duty Thermoplastic Rubber: Engineered to endure the toughest environments, extreme water temperatures, and heavy abuse without degradation.
- Karabiner Attachment Grommets: Includes two oversized grommet holes at the tip and heel designed to accept standard karabiners for easy gear transport and clipping to your BCD.
- Simple Maintenance: Features a simple push-pin buckle design for straightforward spring replacement if necessary.
Technical Specifications
| Brand | Apeks |
|---|---|
| Model Name | RK3 Vented Fin |
| Blade Material | Rugged Thermoplastic Rubber Compound |
| Strap System | Stainless Steel Spring Straps with Custom Buckles & Push Pins |
| Foot Pocket Fit | Oversized (Fits Drysuit Boots & Heavy Neoprene Booties) |
| Available Sizes | Small, Medium, Large, Super (XL) |
| Stock Status | Shipments Arriving Weekly (Contact shop if size shows out of stock) |
| Best For | Drysuit Diving, Cold Water Diving, Technical Diving, Commercial, & Public Safety Diving |
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