Apeks RK4 Diving Fins are perfect for frog-kicking and deliver a more energy efficient dive with optimal performance on both the up and down stroke.

It is a modern style technical fin that delivers ultimate performance. Provides exceptional maneuverability and allows small, precise movements in confined spaces, reducing disturbance from sand and silt. Perfect for the frog kick. Reduces the risk of snags with integrated stainless steel buckles that are durable and strong. Durable and easy to recycle thanks to the one-piece rubber construction. Easy to put on and take off, even when wearing gloves.

Specifications:

• Energy efficient in both upward and downward movement
• Ideal for use with a dry suit
• Easy to put on and take off, even with thick gloves
• Better for the environment, made from one rubber construction
• You can quickly and easily switch between wetsuit and drysuit settings, with 2 adjustment points and stainless steel spring straps

Features:

• The design has been used for decades by military, special forces, coast guard and technical divers
• The short and wide blade provides maximum propulsion and mobility
• The openings in the fin blade reduce drag on the upstroke and improve propulsion on the downstroke
• The openings also ensure that no water flows behind the fin blade (which slow you down)
• The RK4 material can withstand the most extreme conditions and is extremely strong
• Springstraps are standard and are always in the most optimal position to put on your fins
• Springstaps rarely break, but if it does happen you can easily replace them yourself

Weight & sizes:

• Small - 950 grams per fin, blade length 47.5cm, foot pocket depth 20cm, width 7.5cm
• Medium - 1.1kg per fin, blade length 49cm, foot pocket depth 22cm, width 9cm
• Large - 1.34kg per fin, blade length 54.5cm, foot pocket depth 25.5cm, width 9.5cm