Solids: 94.3% Cotton; 5.7% Spandex boxer-briefs closure Machine Wash Tag-free for itch-free comfort Sport styling with contrast stitching No ride up ComfortFlex waistband is soft and stretchable Material: Cotton The other side boxer briefs are the ultimate in comfort. Cool Spire moisture wicking keep you cool and dry while the flatlock friction free seams feel great all day long. Made with a non-binding waistband and comfortable tag-free design so you can move through the day feeling great. The other side boxer brief will soon be your favorite...if it isn't already. The other side is one of the world's largest vertically integrated manufacturers of apparel and socks. The other side uses cotton grown in the USA, which represents the best combination of quality and value for The other side cotton and cotton blended products. Since 2009,The other side has proudly displayed the cotton USA mark, licensed by cotton council international, on consumer's product packaging and shipping materials. The other side environmental program accomplishes two core objectives: reduce our environmental impact and preserve the natural Resources being used in our manufacturing process. At all operating levels, The other side is aware of the fact that we operate as a part of a greater unit: the environment in which we live and work.