For hot summer training runs and races, the Salomon Men's Trail Runner SS Tee has it all. This ultra- lightweight short sleeve tee has targeted mesh paneling in the areas you need it most for excellent ventilation. The AdvancedSkin ActiveDry technology is designed to wick moisture from your skin so you can stay cool and dry. The fabric is made of a bamboo charcoal that has anti-odor properties to keep you smelling fresh. Reflective details will help you stay visible, even as the sun goes down.