size small 34-36 Large 42-44 XLarge 46-48 Cool style. An ultra soft feel and cool to the touch, this men's CoolKeep sleep tee delivers non-sleep Top comfort and performance. Tag free Moisture-wicking fabric blend draws moisture away to keep you cool and comfortable Stretch comfort fabric Odor-resistant technology contains an antimicrobial agent to control odors Anti-static Crewneck Short sleeves FABRIC & CARE Polyester, spandex Machine wash Imported