- Polartec Power Grid® fabric with HeiQ Pure odor control has a smooth face for easy layering; fabric’s open-grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance
- Self-fabric backing on collar with internal neck tape for comfort; locker loop for hang drying
- Offset shoulder seams eliminate chafing under pack straps
- Long center-front zipper vents body heat and is backed by kissing welts for low-bulk comfort next to skin
- Full underarm gussets for range of motion and chafe-free comfort
- Elastic thumb loops for secure hand coverage
- Flatlock seams to minimize chafing; drop tail for increased coverage; made in a Fair Trade Certified™ factory