Tipping the scales at 275 grams, the R5 road shoe features DMT's unique FG Concept sole, which is manufactured from a blend of nylon, fibreglass, and carbon. This composite blend is then hot pressed to produce a final sole that is stiff with a little bit of flex for comfort, but not too much to drain your power output through the pedals. It's a fine line to tread, but DMT has managed to get it right. Breathable and Comfortable Carbon Road Shoes. Every material used to produce this shoe comprises of breathable properties. From the sock liner, to the upper, to the tongue, they all breathe simultaneously to provide your feet a comfortable performance edge. The 1 L5 BOA system guarantees a secure fit so that when you are out of the saddle and distributing each precious watt, this R5 road cycling shoe delivers when you need it to.* Tipping the scales at 275 grams, the R5 road shoe features DMT's unique FG Concept sole, which is manufactured from a blend of nylon, fibreglass, and carbon* Outsole: FG Concept sole with Anti-slip and rubber grip for secure footing* Outer Material: Synthetic* Inner Material: Synthetic* Sole: Nylon* Closure: Boa* Heel Type: Block* Shoe Width: Medium* Sockliner: 100% Polypropylene* Upper: Soft Microfiber* Closure System: 1 L5 BOA* Cleat System: Compatible with SPD style three-pin engagement* Tongue: Soft foam with button hole for BOA cable* Breathable* Weight: 275g (EUR 41)