Stay toasty all winter long with the Stanfield's Men's Big and Tall Two Layer Thermal Long John Underwear. This heavy-duty base layer features two layers of 50% cotton, 50% polyester fabric to lock in body heat even on the coldest Canadian days. The thermal underwear includes an elastic waistband that stays in place, a double panel fly for extra coverage, and generous leg lengths with a roomy seat for maximum comfort. The soft, durable fabric is machine washable, so you can enjoy reliable warmth and comfort winter after winter. If you want to brave the elements in total coziness, the Men's Big and Tall Thermal Long Johns are a must-have for your cold weather wardrobe.