Naturally-insulating neoprene stretches for a personalized fit, and, together with the LaCrosse® Ankle-Fit™ design, guarantees exceptional comfort. Fleece lining provides moisture management, comfort and warmth, and varying levels of Thinsulate™ Ultra Insulation offer additional warmth for colder conditions. The adjustable gusset with Cam-Loc buckle accommodates varying calf sizes, and a Treestand outsole with EVA midsole cradles the foot for all-day comfort and ensures stability on uneven terrain.