Engineered for extreme performance, these pants replace 2-4 bulky layers while ensuring full mobility and comfort. Featuring USA-patented AERIS™ 250 insulation, they keep you warm even when soaking wet (-5˚F to 60˚F). Unmatched Warmth – Patented insulation stays warm even when wet. Flexible & Comfortable – 4-way stretch fabric with an adjustable fit. Enhanced Design – New front zipper for men, flat-lock seams to reduce bulk. Sizing: Runs true to size, when in doubt size up one size Example Fit: 6'2", 250 lbs, 38-40" waist = 2XL Weight 16 oz Dimensions 12 × 12 × 3 in SIZE XS , Small , Medium , Large , XL , 2XL , 3XL