US sizing Icebug studded shoes have been a sure-fire choice for years, when in need of grip on icy and hardpacked surfaces. The Boda boasts side zippers and elastic side panels for easy on and off. 23% of the materials are bio-based, and 21% recycled. - Relatively wide, Nordic style last - Surface: suede leather made in a gold level rated leather working group ltd factory - PrimaLoft Bio insulation helps keep your feet warm, insulation made of recycled fiber - BugDry membrane keeps water out - Insole with 50% Merino wool and 50% synthetic fiber, the wool comes from excess in Woolpower production - Fleece liner, made of 100% recycled fiber - 17 durable carbon steel studs that press in a bit on flat hard surfaces, enabling the outer sole rubber to offer its own grip in such situations - Outer rim with ProtecPU reinforcement - Outer sole contains 20% recycled rubber The liner has been dyed with the solution dye method, saving water and energy. Note! As opposed to product images, so