Cold Out Dont Miss A Run With This Warm Half Zip. 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. Underarm Gusset Improves Mobility And Minimizes Chafe. Zippered Pocket Keeps Your Card And Keys Safe. Reflective Details. | It's Rulu Ribbed Cropped Half Zip