Extra warmth in the seat and knees

Alpha Trac™ bibs have a 100% nylon torpedo canvas outer that is extremely abrasion resistant. Fully seam-sealed Omni-Tech® construction is 100% waterproof and breathable. 150 gram Fahrenhot™ insulation in the seat and knees; 100 gram Slimtech™ insulation in the body and legs. Reflective piping on knees and leg zippers provides greater visibility. Articulated knees have enough extra fabric to make crouching and kneeling easy. Full-length, two-way zipper on each leg. Front zip security pocket and quick-release buckle and strap system. Black color. 33-1/2" inseam. Imported. Specify Men's waist size: S (29-32), M (32-35), L (36-39), XL (40-43) or 2XL (44-47) from the selection box above. See drop down box for sizes currently available.