Merrell Mens Vertis Vent Stretch Boulder/Red Ochre size 11 Leather Durable Sticky Rubber sole with lug tread pattern for traction and durab Removable Air Cushion contoured cushion insole for shock absorption and all day comfortility Soft fabric mesh lining with AEGIS Microbe Shield antimicrobial technology inhibits odors Synthetic toe cap and heel counter protect against loose debris and small rocks Padded collar and tongue for comfort