Bbb arcticduty overshoes designed to protect in all winter conditions ergonomic 3d panel design provides a perfect fit outside panel 42 mm waterproof sharkskin neoprene inside and front panel 4 5 mm hydrophobic multi stretch nylon neoprene combines optimum protection with excellent fit glued seams combined with waterproof tape prevent water leakage reflective reversed zipper for the best performance and visibility neoprene flap behind zipper soft rubber velcro strap for