Flat seams minimize friction

which is a lightweight material that ensures that you stay dry and comfortable throughout your workout

while an improved heel counter and lacing system provide a stable and snug fit

reflective details shine through

Comfortable to run in

R1 Air Zip Neck, Herre, Black Size:XL Flat seams minimize frictionR1 Air Zip Neck, Men, Black The Patagonia R1 Air Zip Neck is a technical, lightweight and breathable half zip fleece designed to deliver warmth and comfort during active outdoor adventures. It's built to work as a flexible midlayer in cool weather or as an outer layer on mild days. MATERIAL Made from 100% recycled polyester fleece with an innovative zigzag structure that effectively wicks moisture away from the body while retaining warmth and