Godsen Men's Mid Weight Wicking Thermal Bottoms Baselayer Pant 100% Cotton Water temperature does not exceed 30 , not chlorine bleaching, ironing highest temperature 110 , not dry, not wring, hang dry Rated for Extreme Cold Tempreatures Convenient Fly front Ultra Soft, Warm and Comfortable Pull On closure Great to be Wear Alone at Home or Add an Extra Layer of Warmth Under Your Clothes