Patagonia Mens Capilene Daily Briefs are made of Capilene Daily, Patagonias stretchiest baselayer for everyday wear. Fair Trade Certified sewing and 50 UPF sun protection make Capilene Daily styles special. The fabric has the wicking performance backbone of Capilene polyester, but in a stretchier fit most suited to everyday pursuits, work or play. Polygiene permanent odor control means less washing and longer wearing. The underwear's elastic leg openings offer a supple silhouette the brushed elastic waistband and durable, smooth jersey face feel ultrasoft the self fabric fly is fully functioning and low profile, offset seams provide chafe free mobility. Lightweight Capilene polyesterspandex jersey has superior stretch and is smooth and comfortable against the skin, featuring Polygiene permanent odor control Fabric is 4oz 135 g 94% polyester 35% recycled6% spandex jersey. Polygiene permanent odor control. Fair Trade Certified sewing. Fabric is bluesign approved. Brushed elastic Patagonia logo waistband is soft and comfortable against skin. Self fabric, fully functioning fly. Elastic leg openings provide supple fit. Form fitting. Avg. wt. 59 g 2.1 oz. Import.