Hyperflex - 7mm CRYO Boot


Built to take on the frozen North Atlantic, Great Lakes and Pacific Northwest. The CRYO is the real deal of winter gear. Built using the same materials used in the Hyperflex VYRL CRYO winter suits series. 

Thickness: 7mm


  • 100% lined with Fire Fleece™ the same heat retaining lining used in the CRYO 6/5 and 5/4 winter suits
  • Fusion welded seams
  • Locking internal skin entry cuffs
  • Dual axis instep strap allows for maximum torque and comfort adjustments
  • Integrated multi-layer sole, heal and toe layers are vulcanized as a unit to provide maximum support while not compromising flexibility.
  • Wide finger loop above heel for easy on and off

    Sizing: Boots are made in standard US sizes. Sizes shown are Men's. Women should order one size down from their normal size. Example: Women who wear a women's size 8 should order a men’s size 7.

    NO RETURNS! Please   Email or call us (401) 783-2566 for any sizing questions.