23” pit to pit. Simms men's Fleece Midlayer Bib offers seamless warmth under your waders for layering on the coldest days. The grid-fleece interior traps heat next to your body for warmth without adding bulk or limiting your range of motion. A front zip allows easy access when nature calls, and stretch-woven stirrup cuffs keep the legs in place in waders and boots. Abrasion and odor-resistant fabric Grid-fleece interior Stretch-woven stirrups Front zip entry YKK® corrosion-resistant zipper Thermolaminated zippered chest pocket