The hmlMT BREEZE HIPSTER 3-PACK are made using recycled polyester jersey in a flexible construction. The gusset piece in these hummel® hipsters uses a special blend of bamboo fibres and cotton for enhanced breathability.Product detailsJersey fabricProduced using recycled fibresFlexible constructionQuality:Main: 88% polyester - recycled, 12% elastane / Gusset: 57% bamboo, 38% cotton, 5% elastaneMachine wash at 40 degreesDo not bleachDo not tumble dryDo not ironDo not clean