The Merino Henley offers the perfect base layer. Merino's natually odor-resistant and temp-regulating making this an ideal piece. In Ash, Shop In-Stock. 7.5-oz 50% Merino, 50% Poly. waffle knit. 3-Button half placket front. Unbreakable Japanese urea buttons. Warm gentle machine wash with wool detergent, hang dry. Gentle tumble dry, no heat. Form-fitting base layer, size up if you prefer a looser fit. Proudly made in California.