Every adventure starts with a solid foundation, and so does your outfit. Whether youa; (TM)re in Tennessee or Timbuktu, the ultra-comfy and durable Merino fabric used in the Men&';s Merino Boxer Brief helps regulate body temperature, manages sweat, and resists odors. Each pair features smooth, flatlock seams and a wide elastic waistband with Merino lining to minimize chafing and maximize comforta; "helping you to stay comfortable until you call it quits. Features a; A Black Marble Wash colorway features plant-based-dye technique a; A Slim Fit a; A Our lightest weight Merino jersey fabric uses a nylon core to increase durability while still keeping 100% Merino wool next to skin a; A Fully functional fly a; A Merino-covered elastic waistband a; A Flatlock seam construction designed to minimize chafing a; A Size M inseam: 6.5" (17 cm) a; A Knit in Vietnam: 87% Merino Wool, 13% Nylon a; A Garment Weight: 102 g | 3.6 oz Care a; A Machine Wash Warm Gentle Cycle. a; A Do Not Iron Decorations. a; A Do Not Bleach a; A Tumble Dry Low a; A Cool Iron As Needed a; A Do Not Dry Clean a; A Wash With Like Colors