L.L. Bean Men's Two-Layer Union Suit long underwear

Built with wool so it's warmer than the competition's all-cotton versions. Supersoft, nonbinding two-layer construction for warmth and flexibility. Soft, itch-free cotton layer inside for all-day comfort Rib-knit cuffs reinforced with spandex. Nonchafing flatlock seams. One-button, vertical closure in back. Made in Canada. 50% cotton 40% wool 10% nylon inner layer is 100% cotton Super soft and thick, long underwear, thermals or pajamas