Fizik Tempo R5 Overcurve Shoes BlackThe Overcurve features a stepped collar that wraps around the ankle, tracking the natural misalignment of the ankle's two bony protrusions: the lateral and medial malleolus.Approximate weight: 253 g Fizik Tempo R5 Overcurve Shoes BlackThe Overcurve features a stepped collar that wraps around the ankle, tracking the natural misalignment of the ankle's two bony protrusions: the lateral and medial malleolus.The result is an asymmetrical shape, with the throat of the shoe curved over the foot from the outside to the inside.The closure is fast and secure, powered by an adjustable micro BOA IP1 dial and a velcro strap for fine adjustment of the forefoot area.The R5 Nylon outsole is flexible and comfortable even in the long run but without compromising pedaling efficiency. FEATURESOvercurve: asymmetric construction that ergonomically adapts to the anatomy of the foot.Microtex upper: flexible yet strong and durable for a comfortable and consistent fitR5 nylon outsole: provides a balance between comfort and pedaling efficiency PRODUCT SPECIFICATIONSBOA IP1 B dial Sole R5 - carbon reinforced nylonApproximate weight: 253g (size 42 1/2 pair) REFERENCE: TPR5OCMI1-1010