95% Cotton , 5% Elastane Looking for comfort? Adopt this Boxer GO Casual, in soft organic cotton with soft brushed-finish elastic waistband. Boxer with wide sides and fully-covered buttocks GOTS-certified ultra-soft organic cotton Brushed-finish elastic waistband with discreet sloggi logo Guipé cotton yarn for longevity This product has been tested for harmful substances and certified to standard 100 by OEKO-TEX® 22.0.22419 Hohenstein HTTI