Warm Up To Cold-Weather Workouts. This Soft Half Zip Wicks Away Sweat So You Can Stay Comfortable When The Temperature Drops. Designed For Running. Skims Your Body:not Too Short, Not Too Long, Just Right Around The Waistband. Thumbholes And Cuffins Keep Sleeves Down And Chills Out, Zippered Pocket Keeps Your Card And Keys Safe, This Garment Was Treated With No-Stink Zinc To Inhibit The Growth Of Odour-Causing Bacteria On The Fabric, Reflective Details.