For those extra chilled-out days when you just wanna hang, The Comfy AF Briefs are all you need. They’re made from a special blend of premium Bamboo Viscose and birch-tree Micro-modal fiber. So light and airy, it’s like you’re not wearing anything at all. Choose this cut if you like more coverage or for whenever friction is a factor. The stay-put 4”-inseam stops chafing in its tracks.. Material47% Bamboo Viscose, 48% Micro-modal & 5% Spandex