adidas Men's Leistung.16 Ii Cross Trainer Synthetic Imported Rubber sole Shaft measures approximately mid-top from arch Heel Lift: 24.8 mm; Heel Height: 37.8 mm (size 8.5 UK) Flexible and strong synthetic woven upper for stability; Micro-adjusting Boa Closure System for ultimate, consistent hold Flat, flexible forefoot for the transmission of power Strong TPU midsole for a perfect foothold; Weightlifting-engineered chassis with lightweight injected polymer for structured strength Rearfoot cradle ensures superior lockdown stability; Flat rubber outsole for maximum surface area