Patagonia R1 Air Men's Zip-Neck Size:XS and arguably the piece that

and arguably the piece that started many a convert on the road to wool base and midlayers

you're also getting more power and grip along the edges

shred bumps

especially with the rocker and tapered tip

Patagonia R1 Air Men's Zip-Neck Size:XS and arguably the piece thatA lightweight and breathable baselayer fleece for high exertion activities in cold conditions the Patagonia R1 Air Men's Zip Neck is quick drying and technical fabric. Built for versatility in cold weather the seams have been placed off the shoulders for pack strap comfort, and a half zip neck with high collar allows you to vent when you need to, zip up for coverage when youre cold. 100% recycled polyester jacquard fleece this uses hollow core yarns