Created using SOFT NEOTECH material for greater lightweight comfortLightweight drytech mesh upper allows feet to breatheExtremely light non-marking Neoprene PU sole absorbs shocksExtremely light non-marking Neoprene PU sole absorbs shocksMachine washable at 30 degreesAeronet 2D non-metallic membrane between out & inner soleEco-friendly antibacterial bamboo technology insoleComfortable to wear with or without socksInnovative design to reduce sweating and unpleasant odours.