Bbb arcticduty overshoesheavy duty neoprene overshoes for insulation and waterproofing in sub zero conditions arctic duty overshoes feature glued and taped seams for complete waterproofing and an ergonomic 3d construction for a close fit featuresmaterial 75 neoprene 25 polyamidenylonergonomic 3d panel design provides a perfect fitoutside panel 42mm waterproof sharkskin neopreneinside and front panel 45mm hydrophobic multi stretch nylon neoprene combines optimum protection with excell