This style fits true to size, order your normal size. If you are between sizes, we suggest to order the next size up. Upper: Textured Action leather and double knit mesh. CSA Grade 1 rated. Lining: Breathable mesh with anti-abrasion feature Lining of insock: Abrasion resitant breathable mesh Insole: Memory foam cushioning that naturally contours feet for all-day comfort and support Midsole: Insulating, lightweight, shock-absorbing compressed EVA with TPU support brace insert Outsole: Oil resistant, slip resistant rubber outsole with light weight eva midsole Steel toe