The Quantum Zip is the top for sportsmen who insist on warm, comfortable, non-friction fabrics that don't take up half their luggage. Added features of this premium top include reflective branding, a collar to keep out the wind and a zipped stash pocket on the chest.

• Eyelet gussets for freedom of movement and extra ventilation
• Deep venting reflective zip
• Zippered chest pocket
• Drop-tail hem