Inov-8 Men's Trailroc 245 Trail-Running Shoe 100% synthetic Imported Rubber sole Sharing the same groundbreaking Tri-C outsole and third generation Meta-Shank found in the 255, the 245 offers the same industry leading grip and underfoot protection. With a reduced 3mm drop and stripped back upper, the 245 is a lighter, faster, natuiral trail running shoe Choose this if you are looking for a top end trail shoe that races as well as it trains Weighs only 8 ounces