Apeks RK4 – Diving Fins
Apeks RK4 are modern diving fins designed for both recreational and technical diving. They draw on Apeks’ many years of experience and offer the ideal combination of performance, maneuverability, and light weight. They are suitable for diving in both wet and dry suits, and thanks to their compact size, they are also a great choice for travel.

Key Features
- Lightweight one-piece construction made of durable thermoplastic elastomer (TPE).
- Shorter fin blade for high maneuverability.
- Excellent propulsion during frog kicks, back kicks, and classic kicks.
- Stable underwater performance and easy directional control.
- Ergonomic foot pocket for comfortable use in both neoprene and dry shoes.
- Spring-loaded straps with a large loop for easy donning, even while wearing gloves.
- Lightweight, ideal for travel.
- Durable construction with a long service life.
Excellent maneuverability
Thanks to a shorter and wider blade, the RK4 fins provide efficient power transfer without unnecessary effort. The design minimizes leg fatigue and allows for precise maneuvering even in confined spaces, such as during wreck or cave diving.
Maximum comfort
The ergonomically shaped foot pocket holds the foot securely in place, and the spring-loaded straps allow for quick donning and doffing. A large loop makes handling easy, even when wearing thick neoprene or dry gloves.
Technical Specifications
- Model: Apeks RK4
- Type: open heel
- Material: thermoplastic elastomer (TPE)
- Strap: stainless steel spring strap
- Intended Use: recreational and technical diving
- Suitable for: wet and dry suits
Who is the RK4 designed for?
- Recreational divers.
- Technical divers.
- Instructors and divemasters.
- Diving from boats and from shore.
- Travelers looking for lightweight gear.

Why Choose the Apeks RK4?
The Apeks RK4 is the ideal choice for divers looking for lightweight, durable, and high-performance fins with excellent maneuverability. They offer efficient propulsion, high comfort, and reliability for both recreational and technical diving, and their light weight makes them perfect for travel as well.
