Ariat Womens Sunstopper 3.0 Baselayer St. Tropez Mirage PrintAriat Womens Sunstopper 3. 0 Baselayer St. Tropez Mirage Print Stay cool, protected, and effortlessly comfortable through every ride. The Sunstopper 3. 0 Baselayer is engineered to regulate body temperature, manage moisture, and shield your skinso you can focus entirely on performance, even on the warmest days. Advanced cooling technology dynamically responds to rising body heat, helping you stay cool when intensity increases. UPF 50+ sun protection