Halcyon's Spring Heels fulfill a common desire for a fin straps that is flexible, yet remains secure and resistant to breaking. Halcyon Spring Heels for Jetfin-style fins.

• Automatically adjust to the diver's feet
• Compensates for depth and compression of boot material
• Unbreakable strap provides an amazing degree of comfort and peace of mind
• Stainless steel main spring and safety cable
• Only 2 sizes left: medium (8" spring), extra-large (12" spring)