Classic 2-ply cotton-rich thermal underwear. Choose these base-layer bottoms for everyday warmth during low activity levels. Soft texture-rich knit traps air between two thermal layers. Result: a chill-blocking barrier that keeps you comfortably warm. Tag-free elastic waist wicks moisture for added comfort. Ankle length with chill-blocking rib-knit cuffs and non-chafe flat-locked seams. Close-to-body fit with convenient front fly.