RF Socks

RF Socks – Thermal Freediving Socks for Cold Water Comfort

The RF Socks from Fourth Element are designed to provide added warmth and comfort for freedivers in cool to cold water conditions. Built to layer easily inside freediving fins or socks, these thermal socks help reduce heat loss from the feet while maintaining flexibility and a low-bulk fit for efficient movement in the water.

• Thermal Foot Insulation – Helps retain warmth in colder water environments.
• Freediving-Optimized Design – Designed to fit comfortably inside freediving fins without bulk.
• Low-Bulk Comfort Fit – Reduces pressure points while maintaining natural foot movement.
• Flexible Construction – Supports efficient finning and underwater mobility.
• Ideal for Freediving and Cold Water Training – Suitable for recreational apnea and extended sessions.