Simms Men's Heavyweight Baselayer Pants - When days get shorter, stay in the game longer these 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 Body fabric is 96% polyester 4% elastane Lower leg fabric is 88% polyester 12% elastic Style: PG-13308