The Crispi Wild Rock Plus boots were built to handle the cold temperatures that late-season hunts bring. Everything about this boot screams, Take me outside, even on the coldest and wettest of days. The Wild Rock Plus is our heaviest insulated boot with 800 grams of Gore Duratherm XL Kelvin insulation all the way around the boot, you are sure to stay warm. The full grain leather and tread pattern on the outsole are designed to shed water, snow and mud to keep you, and your hunt, going during longs sits on a ridgetop or in the stand.