APEKS RK3 & RK3 HD Fins – Trusted by Military Divers
The APEKS RK3 is a tough, reliable fin developed with the US military, known for its rugged thermoplastic build, oversized foot pocket, and spring strap system. The RK3 HD version uses a denser compound, offering more weight and stiffness – ideal for drysuit diving and strong currents.
🔧 RK3 vs RK3 HD – Key Features
- Rugged, vented blade design improves thrust and reduces resistance
- Compact size with excellent maneuverability
- Spring straps and large foot pocket for use with thick boots or gloves
- HD model uses a higher density material – stiffer and negatively buoyant
- Tested and trusted by military, rescue, and technical divers worldwide
- Grommet holes for karabiner storage
- Available sizes: Small, Medium, Large, Super
- RK3 colors: Black, Dark Grey, White, Yellow, Orange, Pink
- RK3 HD color: Grey only
📏 Size & Weight Overview
| Size | RK3 | RK3 HD |
|---|---|---|
| Small |
926g per fin Blade: 48cm Foot depth: 21.5cm Foot width: 8.3cm |
1.04kg per fin Blade: 48cm Foot depth: 21.5cm Foot width: 8.3cm |
| Medium |
982g per fin Blade: 49cm Foot depth: 22cm Foot width: 9cm |
1.1kg per fin Blade: 49cm Foot depth: 22cm Foot width: 9cm |
| Large |
1.19kg per fin Blade: 54.5cm Foot depth: 25.5cm Foot width: 9.5cm |
1.4kg per fin Blade: 54.5cm Foot depth: 25.5cm Foot width: 9.5cm |
| Super |
1.27kg per fin Blade: 57cm Foot depth: 27cm Foot width: 10cm |
1.44kg per fin Blade: 57cm Foot depth: 27cm Foot width: 10cm |
📌 Sizing Note
We recommend trying on the fins with your actual dive boots at a local dive center. Fit may vary depending on wetsuit vs. drysuit footwear, even at the same shoe size.
📦 Terms & Shipping
- Shipping within Thailand only
- Available while stock lasts
- Actual product color may slightly vary from photos
- Prices may change without prior notice
- 💡 Book a diving course or day trip together with this APEKS RK3 and receive a discount on the equipment!
- Only valid for combined online bookings on our website.