Terramar Natara Crew - Women's ClimaSense Thermoregulation Technology keeps you comfortable in all conditions - Engineered to adjust to your body temperature - Inhibits the growth of bacteria that causes odor - Fast wicking and drying Ultra-soft brushed surface traps air and allows for increased airflow/breathability 4-way stretch for ease of movement Lightweight (1.0) for ease of layering UPF rating 25+