IMPACTO® Ergo Mates anti-fatigue overshoes are designed to reduce fatigue, pain and discomfort when walking or standing for long periods. Unique 100-percent mobile matting system absorbs impact and shock. Unique self-cleaning tread design is durable in wet environments; patented strapping system ensures snug comfortable fit. Available in various styles to suit specific applications. Impacto Protective Products, Inc.,, 888-232-0031.Anti-fatigue overshoes