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. HeiQA(R) Fresh durable odor control keeps things fresh. Fair Trade Certified(TM) sewn. Features: Smooth, soft face makes for easy layering, and HeiQA(R) Fresh durable odor control keeps things fresh Soft, brushed, fast-drying elastic sewn into wide waistband for added next-to-skin comfort and improved fit; locker loop for hang drying Fabric&&';;s diamond-grid pattern next to skin provides superior warmth, breathability and moisture-wicking performance Gusseted crotch for comfort and unimpeded mobility Flatlock seams to minimize chafing Stretch for added comfort and improved fit during movement Fair Trade Certified(TM) Made in Sri Lanka Specs Weight 156 g (5.5 oz) Materials- Solids and prints: 4.3-oz (147-g) 100% recycled polyester diamond-grid double knit. Cross-dyes: 4.3-oz (147-g) 100% polyester (50% recycled) diamond-grid double knit All with HeiQA(R) Fresh durable odor control and 50+ UPF sun protection Fabric is certified as bluesignA(R) approved