Solid Gear SG81009 Shale Safety Toe Cap Work Boot Option 2:UK 5 EU 38 Sock construction together with ripstop Sock construction together with ripstop on the upper combined with BOA® Fit System and GORE TEX® Stretch Technology gives a great feeling while maintaining excellent breathability and keeps the foot dry are seamlessly applied to the textile fabric of the upper and offer comfortable support and flexibility at the same time Solid Gear SG81009 Shale Safety Toe Cap Work Boot Upper: Microfiber and Nylon Canvas Lining: Mesh Outsole: Rubber Midsole: Poured PU Footbed: Open cell PU foam Function: Reflective panels on upper Fit: Wide Sizes: 36 48 Safety standard: EN ISO 20345:2011 S3