Ridiculously Tough yet Imporbably Light,Seamless Technology: 30% lighter & 100% tougher. All the other technology keeps you safe and comfortable. Ain�t technology amazing?Height: 13.5"Circumference: 17"Made with Seamless Construction to prevent cracking and reduce the boots� weight by 30%Constructed with 5MM Neo-Tech waterproof insulation + 2MM air mesh for temperature regulationBioGrip slip resistant outsoleRebound cushioning bounces back to return energy to your footFlex Width insole system adapts to wider feetEco-friendly, algae-based EVA footbed that helps clean polluted water habitatsDuraFresh bio-technology activates to fight odorsBogs Max-Wick moves sweat away from your foot to keep you dryHeel lock provide support and optimal ankle fitComfort rated to -72�F/-60�CMeets ASTM F1677, F2413-11, M I/75, C/75EH Rated**Prices may vary instore