Microbreathe™ boot cover, elastic top with ankle ties, anti-skid sole, thread colors for convenient size identification, serged seams, white, 100 pair/case. - Gain the ultimate in slip and fall protection on wet and dry floors for your workers with the UltraGrip anti-skid soles in these top quality boot covers. The sole material is also extremely clean, durable and strong enough to stand up to the most abrasive floor surfaces. Microbreathe material is soft, strong, flexible and has a high vapor transmission rate for all-day comfort. The fabric also provides excellent barrier protection and exhibits low particle generation. Static dissipative to help protect products and processes. The knee-high boot covers fit over the calf to provide a comfortable fit and prevent the boot cover from sliding down. Elastic at the top also prevents slippage.