The warmest, most breathable polyester baselayer with minimal bulk.
- Polartec Power Grid fabric has a smooth face for easy layering
- Fabrics open grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance
- Spandex for stretch and ease of movement
- Flat waistband has brushed inner elastic for next-to-skin softness
- Gusseted crotch for comfort and unimpeded mobility
- Flatlock seams to minimize chafing
- 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 control. Fabric is bluesign approved
- 138 g (4.9 oz)
- Made in El Salvador.