With a touch of Lycra and great shaping for an exceptional fit, Icebreaker's Anatomica Boxer Briefs provide soft, breathable luxury all day long. Bodyfit 150: Ultralight premium underwear for all seasons. Silky soft New Zealand merino wool with a touch of Lycra for a perfect fit. Soft, breathable, itch free comfort and luxury against the skin. Naturally odor resistant. 1.3 in. 3.2 cm Icebreaker satin jacquard waistband. Contoured pouch with functioning fly. Flatlock stitching prevents chafing. Label at center back waistband. Inseam: 3.5 in. 9 cm. Slim fit. Machine wash and air dry do not tumble dry.