When the heat cranks up on the trail, the Royal Robbins Desert Pucker Dry Short Sleeve Shirt keeps you cool and comfortable mile after mile. This outdoor industry icon features advanced HeiQ Smart Temp thermoregulation technology that automatically responds to your body temperature, working alongside the incredibly soft TENCEL™ Modal fibers to deliver superior cooling and lightning-fast moisture wicking. The relaxed fit design moves with you whether you're scrambling over rocks or exploring desert landscapes, while UPF 40+ sun protection shields you from harmful rays during those long days under the blazing sun. With over 1 million sold, this quick-drying shirt has earned its reputation as the go-to choice for outdoor enthusiasts who refuse to let the heat slow them down.