Smartwool Men's Active Ultralite Short Sleeve Color:Twilight Blue Its had an upgrade with

Its had an upgrade with Infiknit™ and FastFlow technology to increase the backpanel's breathability and moisture wicking

secure fit

We kept that legendary feel

We overmold our custom plastic blend over and through the holes in the aluminum base

True Flex: It's common to hear that boots stiffen up when it gets cold

Smartwool Men's Active Ultralite Short Sleeve Color:Twilight Blue Its had an upgrade with### Smartwool Says ### Simple but practical, our Men's Sport Ultralite Short Sleeve tee is soft yet functional, for all day comfort and utility. Its super light performance fabric a blend of ZQ certified Merino wool with TENCEL Lyocell fibers, this performance fabric will help keep you cool when your intensity amps up, and its design helps minimize chafing. Plus, it's odor resistant, breathable, and temperature regulating, all helpful features when