R1 Air Vest – Men's

Built for high-output cold-weather movement, the R1 Air Vest is our pick for trail runners and fast hikers who need core warmth without cooking. Hollow-core recycled polyester yarns in a zigzag knit dump heat fast and dry even faster, so you stay regulated on the move. Off-shoulder seams mean zero friction under a pack.

• Hollow-core 100% recycled polyester jacquard fleece traps warmth at the core while actively venting excess heat — no more stop-and-strip on the trail
• Zigzag-knit structure increases surface airflow and compresses flat into a pack pocket when conditions change
• Off-shoulder seam placement sits clear of pack straps, eliminating the hot spots and chafe that kill long days out
• Vest cut leaves arms unrestricted for full range of motion — ideal as a standalone layer or under a shell during ski transitions and summit pushes
• Made in a Fair Trade Certified™ factory; woven stretch binding at the back hem and armholes adds mobility and a dialed fit