From mile repeats to cross training at the park, the PhD Ultra Light Short Sleeve can handle your sweatiest workouts. Smartwool's start with naturally breathable Merino wool to help regulate body temperature and naturally resist odor, then add polyester to increase stretch and recovery and decrease dry time. Side mesh panels give extra ventilation where you need it most.
Modern raglan sleeve design removes underarm and shoulder seams
Flatlock seam construction designed to eliminate chafing
Fabric: Body - 56% Merino Wool, 44% Polyester; Mesh - 54% Merino Wool, 46% Polyester
Product Number: SW015142