T he greatest breathability and warmth in any polyester baselayer made by Patagonia, all with minimal bulk.
Features
Polartec Power Grid fabric has a smooth face for easy layering; fabric s open grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance; spandex for stretch and ease of movement
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 gusset 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
3.8-oz (129- g) Polartec Power Grid fabric. Solids, 92% recycled polyester/8% spandex; heathers, 91% polyester (30% recycled)/9% spandex; both with Polygiene permanent odor. Fabric is bluesign approved