David Archy Men's 4 Pack Breathable Bamboo Rayon Boxer Briefs 95% Bamboo Rayon and 5% Spandex Imported Soft comfy bamboo rayon fabric keeps you fresh and clean all day Extremely soft to touch; enough stretchy to fit 3 D support pouch features with a functional fly 4.5 inches leg length to avoid rubbing and riding up Ezy-off care label, easy tag-less, no friction any more; Gentle machine wash in cold to maintain maximum performance and recovery