The Royal Robbins Men's Amp Lite Crew Long-Sleeve Shirt is an inspiring outdoor companion, designed to keep you cool, comfortable, and protected on any adventure. It is made with recycled fabric and features HeiQ Smart Temp thermoregulating technology for optimal breathability, moisture-wicking properties, and wrinkle resistance while traversing the trail and frolicking lakeside. Thumb holes provide extra coverage and forward shoulder seams reduce friction under a backpack. Whether climbing, hiking, or paddling, this shirt's quick-drying performance fabric helps you stay focused on the journey.