Super Grip sole is non-slip and also oil and grease resistant. EVA mid-sole has additional padding. Upper instep strap can be folded back and used as a backstrap or threaded through top and become more like a slip on (like Boston model). Sole is in accordance with EN ISO 20347:2012. Worn a few times. Perfect condition. Size: EU 41 / US 10-10.5/8-8.5 Width: Medium/Narrow