AquaTrak® ankle high boot cover, fluid impervious, tunneled elastic top, ankle ties, seamless sole, sonic welded seams, 100 pair/case. - AquaTrak material keeps you stable and protected in wet and dry conditions. This advanced material was specifically developed for superior performance in wet conditions. The anti-skid properties provide amazing slip and fall protection - with no additional coatings. The material is fluid impervious and styles with sonic welded seamless soles provide complete protection even in standing water. Serged seam soles provide a great fit and can be used in dry or moist conditions. The high breathability, low particulate count fabric wears comfortably and completely contains contamination.