Comfort & warmth in all cold weather environments. 2 layer engineering traps air between layers providing a natural barrier of warmth. Tagless, flat seams, comfort waistband, Fire Retardantont & back rise. 60% combed, ring spun cotton, 40% polyester inside & outside. For low to medium activity, cold to very cold temperature. Women's shirt & Pants has hemmed cuffs.|Men's shirt has eExtremeended tail, Pants & shirt have rib cuffs, Pants has gusset.