High-abrasion-resistant TPU shield. Stitch down cement construction. Lightweight rubber/EVA outsole. 1400 grams of PrimaLoft ECO FOOTWEAR insulation. Durably Waterproof and Breathable GORE-TEX fabric. Maxprotect Level 3 for harsher, cooler, and inclement environments, or sedentary physical activities. Rocky Air-Port vented polyurethane cushion footbed. Rocky SIQ Atomic helps control human odor on the microbial level. Nubuck leather upper with ripstop fabric.