A classic, all-around polyester baselayer with 100% recycled content. The smooth, soft face makes for easy layering. Hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ® Fresh durable odor control keeps things fresh. Fair Trade Certified™ sewn. Our Most Versatile Baselayer Smooth, soft face makes for easy layering, and HeiQ® Fresh durable odor control keeps things fresh Comfortable Elastic Waist Soft, brushed, fast-drying elastic for added next-to-skin comfort; locker loop for hang drying Internal Diamond Grid Pattern Fabric’s diamond-grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance Gusseted Crotch Gusseted crotch for comfort and unimpeded mobility Flatlock Seam Construction Functional fly and flatlock seams to minimize chafing Stretchy Comfort Stretch for added comfort and improved fit during movement Fair Trade Certified™ Sewn Fair Trade Certified™ sewn Country of Origin Made in Sri Lanka. Weight 164 g (5.8 oz) Materials: 5.1-oz (147-g) 100% recycled polyester diamond-grid double knit with HeiQ® Fresh durable odor control and 50+ UPF sun protection Fabric is certified as bluesign® approved Fair Trade Certified™ sewn