These thin neoprene shoe covers feature a lower ankle cut for supportive protection and great mobility in wet conditions thanks to its pu coated outer that keeps the rain at bay optimal panel construction opc design uses 3d modelling to shape sections of material around the foot for an optimal fit and freedom of movement 3d cut toe box follows the contours of the cycling shoe 2mm multi stretch neoprene with waterproof pu coating and taped seams for full water protection in cold condition