Tagless for itch-free comfort.Dries quickly if you do sweat in them
Leg cut is just short enough to keep material from riding and bunching
Note:Asian size is smaller than US size.L(27inch-30inch)=US size S;XL(31inch-34inch)=US size M;XXL(35inch-38inch)=US size L;XXXL(39inch-42inch)=US size XL
Bamboo Fibre Brief Introduction These JINSHI underwear are made of bamboo fibres which is superior to cotton. Smooth, lighter in weight, and easy to care for(washer/dryer, no wrinkles, durable). Japanese scientists have found that bacteria which on the bamboo fiber products will be killed about 75% after 24 hours. Bamboo fabric has insulating properties, helping the wearer stay warmer in winter and cooler in summer. It also ensures human and eco health-bamboo plant is organically sustainable, grows naturally without chemicals.