Women will love the SIREN BIKINI from Icebreaker. This all-purpose undergarment fits all body types and styles. It keeps your body warm and dry in all seasons.This bikini with a lightweight composite fabric provideswomen with elasticity, comfort and durability. Corespun fabric with nylon fibers wrapped in wool blend and LYCRA improves elasticity and range of motion. The nylon fiber core increases the product's durability. Merino wool has the characteristic of adapting to body temperature and controlling the thermorgulation process. This underwear also has advanced side seams for extra comfort. This Icebreaker bikini is very comfortable to wear next to the skin. Versatile and easy to care for, it will provide comfort and durability for your future experiences.