2XU Light Speed 1/2 Zip (Men’s) 2 colours2XU Light Speed 1 2 Zip The Light Speed 1 2 Zip is constructed using three lightweight fabrics, keeping you dry, cool and providing maximum flexibility for unrivalled run comfort. Product details Flexible Versatility: Ribbed raglan sleeves provide maximum movement, a 1 2 zip design lets you adjust exposure to the elements to your liking while thumbholes at sleeve cuffs provide extra warmth and coverage on cooler days. Quick Drying: Quick dry,