The Siren Bikini is stretchy and slim-fit underwear for everyday comfort and active pursuits. The ultralight 150g/m2 corespun fabric is made with merino fibres wrapped around a nylon core, for underwear that is durable and soft next to your skin. The low-profile style features a modern, bulk-free fit, and the forward-set side seams eliminate chafing. Inspired by nature, icebreaker harnesses the performance qualities of natural fibres to offer an alternative to clothing based on petrochemical synthetics. Merino is an annually renewable fibre that naturally resists odors, keeps you cool when it's hot and warm when it's not, and lets your skin breathe for comfort all day, every day. Merino Corespun-durable merino blend regulates body temperature in all weather conditions. Breathable, comfortable, odor-resistant, stretchy, durable, quick-drying. Slim Fit. Materials: 83% Merino Wool, 12% Nylon, 5% Lycra® Exclusive of decoration. Care. Machine wash warm. Colour: black