NWT Men's Cotton Classics Briefs Full Rise Men. Traditional Fly: The front adopts double layer design while the fly front Description Fabric typeComposition: 95% performance cotton and 5% elastic spandex. Mens briefs fabrics are of great softness and quality which keep you cool and dry for all day comfort. The Standard Size: The men's underwear briefs is made in Standard American Waist Size, Medium=33" - 35". Elastic Waistband: Special treatment of 1.37 inch widened elastic waistband is more flexible, wider in width and less roll for men's briefs.And keeps its shape after wash. Mens Briefs Craft：The mens underwear briefs of double needle seams will be more fit and more durable. And one-piece cut in the back to avoid embarrassed adjustment.