Crispi Altitude GTX lowa Meets ASTM F3445-21 and F2413-18

Meets ASTM F3445-21 and F2413-18 F I/75 C/75 EH standards

5 to 2 full sizes down for correct fit

Country of Origin: Slovakia

Electrical Hazard Rated

Vibram® Fuga Outsole: With its self-adapting lugs and specially formulated Megagrip compound

Crispi Altitude GTX lowa Meets ASTM F3445-21 and F2413-18The Crispi Altitude GTX was conceived and built with a desire for the breathability and technical fit found in models like the Attiva Mid, combined with the foundation and long lasting comfort of the EFX dual density polyurethane midsole that hunters rely upon when long miles and the occasional heavy load is expected. With a constant and even flexing board last construction (Flex 2. 5 rating) and our exclusive Vibram Megagrip outsole, makes traversing