Single layer warmth & moisture management performance. Light weight, comfortable fit & exceptionally soft feel. 100% polypropylene, drop-needle fabric design, comfort waistband, flat seams, Fire Retardantont & back rise on pant. For medium to high activity, cold to very cold temperatures. Women's shirt & Pants has hemmed cuffs.|Men's shirt has eExtremeended tail, shirt & Pants have rib cuffs, Pants has gusset.