Mainline - 95% TENCEL™ Modal, 5% Elastane. Lace: 91% Nylon, 9% Elastane.We recommend washing on a cool, 30 degree wash or by hand. Dry flat and avoid tumble drying. For Briefs, we recommend washing in a net bag. Please note with bright and neon dyes, there may be colour rub when new. With wash and wear the colour will fade subtly. Hand or cool washing will help preserve the vibrancy of bright colours.TENCEL™ is a trademark of Lenzing AG Mainline - 95% TENCEL™ Modal, 5% Elastane. Lace: 91% Nylon, 9% Elastane.nnWe recommend washing on a cool, 30 degree wash or by hand. Dry flat and avoid tumble drying. For Briefs, we recommend washing in a net bag. nnPlease note with bright and neon dyes, there may be colour rub when new. With wash and wear the colour will fade subtly. Hand or cool washing will help preserve the vibrancy of bright colours.nnTENCEL™ is a trademark of Lenzing AG