ASICS Men's Thermostripe Lightweight Thermal 1/2 Zip Top 85% Polyester/15% Spandex Imported 360 degree reflectivity PR Thermal yarn-dye stripe fabric helps keep you dry and comfortable Zippered mock neck with protective wind panel and zipper garage to help block out the elements Zippered stash pocket with media cord opening Thumbholes at cuffs for coverage 360 degree reflectivity