Arbete Slip Resistant Leather Work Shoes By: Alpine Swiss Product Features: Half Sizes, Please Round Up to Nearest Full Size Abrasion, Slip and Oil Resistance Tested. Using Testing Methods ASTM-D5963. ASTM-D2047, ASTM-D471 Durable 100% Genuine Leather Slip-On with Elastic for Easy Wear and a Secured Fit Extra Insole and Ankle Padding for Comfort throughout the Workday Easy Maintenance Design, Simple Clean Off Rubber Outsoles