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

The ultra-light AtomKnit upper provides a snug and breathable fit that reduces weight and minimizes water absorption

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

Comfortable to run in

Suitable for volume training and longer distances

R1 Air Zip Neck, Herre, Black Size:XL while an improved heel counterR1 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