Base layer. Built differently. The Men's Runderwear Long Sleeve Running Base Layer is designed with comfort and performance in mind. Run warm in the coldest of climates without overheating.
- Chafe-free running, guaranteed
- Hand-warming mitts, convenience at your fingertips
- Dynamic heat control, run warm without overheating
- Flexible fit, ultimate comfort on its own or under a top
- Seamless design, no side seams or labels and reduced waste
- Moisture-wicking, removes sweat from your skin quickly
