The UF-21 fins have an advanced multi-flex long blade design, thrust channel technology for superior propulsion and the foot pocket is made with a soft, durable compound designed for comfort. The open-heel design allows for quick and easy size adjustment and the silicone heel strap enhances comfort and durability. This fin is engineered to provide a lot of power for its compact size. The fins are lightweight and ideal for travel.  TUSA’s industry leading 3 year warranty

Medium (Bare Foot):  3-8 Male / 5-10 Female 

Large (Bare Foot): 7-12+ Male / 9-14+ Female

• Advanced Multi-Flex blade design
• Thrust Channel Technology
• Maximum propulsion and comfort
• Soft comfortable open-heel foot pocket with adjustable silicone strap - Designed for Bare Feet
• Designed for ease of entry yet secure fit
•  Sizes: M & L