Men's Lace Semi-sheer Boxer Briefs and G-sring Breathable Underwear Material:20%Spandex/60%Nylon/32others Enough Spandex make it soft and elastic,the Nylon makes it easy to dry and clean The density more than 60 needles We guarantee we choose best material,the clothes we use can avoid been cracked Semi-sheer and be happy when you wear it