These Duofold Originals use only the finest wool in their blends. The Duofold Authentic 2-Layer Wool Blend Men's Button Front Henley features the finest in quality and craftmanship. • Unique fabric construction utilizes the warmth of wool with a comfortable all cotton lining - 25% wool blend outer layer for warmth and 100% cotton inner layer for comfort. • Lycra reinforced cuffs for a more secure fit. • Flat seams throughout prevents chafing.