Arc'teryx Accelerator Zip Neck Shirt Men's

It might be summer, but five in the morning is never warm, so shield yourself from the air's cold bite with the Arc'teryx Men's Accelerator Zip Neck Short Sleeve Shirt. The Accelerator uses midweight polyester fabric to hold off the chill when you're getting warmed up, and manages moisture to keep you comfortable after your heart starts pounding and the sweat starts pouring. It also breathes well, so it'll prevent you from feeling cold or clammy during your cool down lap on the way home.