These JINSHI boxer briefs are made of bamboo fibres or lenzing viscose 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. lenzing viscose is an all-natural fiber and famous for its breathability, which is made from the raw wood.

• Please order it via our size chart.Suggestion:go one size up
• Machine wash cold
• Its a steal thin stretchable breathable and Fabric is soft
• Comfort soft waistband to eliminate pinching and binding
• Each pair is neatly folded in own little stylish zip locked baggie. Lenzing viscose is an all-natural fiber and famous for its breathability, which is made from the raw wood.

Please order it via our size chart.Suggestion:go one size up