The following is a rough guide for sizing yourself for a Blundstone: For men, subtract about 1 full size from your North American size to find your Blundstone size. IE) US Size 11 is about a Size 10 in a Blundstone. For women, subtract about 2.5 sizes from your North American size to find your Blundstone size. IE) US Size 8 is about a Size 5.5 in a Blundstone. *The sizes we have listed are Blundstone boot sizes. Features: CSA Grade 1 protective steel toe cap Premium crazy horse brown nubuck Weatherproof leather is an industry-leading 2.5 mm thick, yet 'breathes' for absolute comfort Dual-density polyurethane midsole and thermo-polyurethan (TPU) outsole: weatherproof, durable, lightweight and provides reliable certified traction XRD™ footbed for all-day comfort and support Puncture resistant mid-soles by Lenzi: lighter, safer, more flexible, more comfortable and warmer than steel Injection moulded soles -- no adhesives to come unglued, no stitching to rot Heat, slip, oil, acid and electric shock-resistant sole Heat-formed heel for a snug fit Comfort EVA removable footbed with XRD™ in the heel pad Canadian Safety Association (CSA) Approved All products bought online can be returned in store. See Returns page for more information about the online and in store return process.