Simms Men's Lightweight Base Layer Pants - The essential next-to-skin layer for building a rock-solid foundation that prioritizes all-day mobility, warmth, and moisture wicking. Quick-dry, jersey knit polyester combined with sustainable odor control for maximum next-to-skin comfort Flat elastic waistband and fly pouch designed with minimal seams for a chafe-free, next-to-skin comfort Flatlock seam construction 92% spun polyester 8% spandex finished with HeiQ Fresh odor control and HeiQ Speed Dry Style: PG-13311