12 Medium. The Rocky WorkSmart work boots is crafted for those who demand waterproof boots that keep your feet dry and comfortable. The composite toe offers lightweight impact protection. The oil and slip-resistant outsole delivers superior traction, ensuring steady footing on any surface. Electrical hazard protection adds an extra layer of safety. Perfect for construction sites. Style: Work Boot Department: Men Color: Brown Upper Material: Leather Pattern: Solid Closure: Lace Up Features: Waterproof, Slip Resistant, Oil Resistant, Composite Toe, Electrical Hazard Protection Type: Boot Outsole Material: Rubber Insole Material: Synthetic Model: RKK0310 Keywords: Rocky, WorkSmart, Work Boots, Composite Toe, Waterproof, RKK0310, Brown, Leather Boots, Safety Boots, Construction Boots, Oil Resistant, Slip Resistant, Electrical Hazard, New Boots