Base layer thermal trousers are a pair of cotton rich blended bottoms that are incredibly soft and comfortable Crafted using an insulating material, for warmth, a reinforced seamed design helps them withstand lots of movement Easy to care for as well, you\';ll be able to wear these trousers comfortably and confidently when out in cold climates If purchasing for a woman, we suggest selecting one size below your usual choice. 60% Cotton / 40% Polyester Product Code: UABLBTN20001NA1