What's cooler than wearing an eco-friendly, sustainable tee that's made from 5 recycled plastic water bottles?... Not much else! Made right here in the USA; the 50% REPREVE® Polyester, 37% Modal, 13% Cotton tee is one of the most comfortable, soft, broken-in feeling tri-blend tees you will ever wear. **SIZING NOTE** - This Eco tri-blend tee runs very slim fitting, so if you like to wear your tees a little looser, then we high suggest ordering the next size up. SIZE GUIDE MENS PERFORMANCE SHIRTS & HOODIES - LONG SLEEVE Our long sleeve performance shirts and hoodies are cut to standard sizing and tend to skim the body. If you desire more of a loose fit, we would recommend ordering the next size up. Size Length Chest Width Sleeve Length Neck Width S 27" 21" 24.75" 7" M 28" 22" 25" 7" L 28.5" 23" 25.5" 7" XL 30" 24" 25.75" 7.75" 2XL 31.5" 25" 26" 8" LADIES PERFORMANCE SHIRTS - LONG SLEEVE Our long sleeve ladies performance shirts are cut to standard sizing and tend to skim the body. If you desire more of a loose fit, we would recommend ordering the next size up. Size Length Chest Width Sleeve Length Neck Width S 25" 17" 27.5" 7.25" M 26" 17.5" 28.5" 7.5" L 27" 19" 29.5" 7.75" XL 28" 19.5" 30" 8" 2XL 29" 21" 31" 8.25"