Category: clothing & accessories > men > underwear > thermal underwear
| Brand: Duofold
| Merchant: Essential Apparel You can count on this Duofold By Champion Originals Men's Wool-Blend Union Suit in very cold weather. Its the ultimate thermal underwear. Together, both layers trap air to create a warm thermal barrier. Unionsuit. Full-length button-down placket. Ribbed elasticized leg bands and cuffs help seal out cold. Rear fly opening. Flat-locked non-chafe seams feel smooth against your skin. 2 non-bulky layers of fabric, one layer feel. Outer layer contains Merino wool for natural insulation. Tagfree collar. Inner layer is pure cotton, for softness next to your skin. Outer: 65 Cotton, 25 Merino; Inner: 100 Cotton.