Size M When days get shorter, stay in the game longer with our Heavyweight Baselayer Bottoms powered by stretch micro-grid fleece for optimum mobility, warmth and moisture wicking comfort. Smooth jacquard face with grid-fleece backside adds stretch and micro pockets to trap heat and wick away moisture Flat elastic waistband and fly pouch designed with minimal seams for a chafe-free, next to skin comfort Stretch panels strategically designed from lower calf to ankle cuffs allow for easy integration when worn with socks and paired with waders or bibs and boots. FABRIC TECH: Body - 190 gsm 96% polyester, 4% elastane micro grid fleece finished with antimicrobial + moisture management; Lower Legs - 96%polyester, 4% elastine