About Shimano RC3 Road ShoeHigh-performance road cycling shoe with advanced fit and pedaling technologies. Available in both standard width and wide E-width sizes. FeaturesIntegrated seamless midsole and upper construction set a new level of fit, stability and lightweight performance. Off-set center flap mounted BOA® L6 dial creates a sleeker profile with quick adjustments. Surround wrapping upper structure reduces overlap and provides a glove-like fit. Low stack height midsole stabilizes foot and maximizes power transfer efficiency. Perforated synthetic leather composite upper enables superior fit and breathability. Lightweight glass fiber reinforced nylon sole for power transfer. SpecificationsModel No: SH-RC300 Gender: Men's Segment/Category: Road Product Name: RC3 Cleat Type: SPD-SL Last Type: Shimano Dynalast Stiffness Index: 6 Best Match Pedal: PD-R550, PD-RS500 Wider Cleat Adjustment Range: Yes Seamless Midsole Structure: Yes Surround Wrapping Upper: Yes Closure: 1 BOA (L6) Upper Material: Synthetic Leather Outsole Material: TPU (cover) Midsole Material: Glass Fiber Reinforced Nylon Standard Insole: Cup Insole Men's Actual weight (Size: 42): 243 g About ShimanoShimano is a Japanese multinational manufacturer founded in 1921 by Shozaburo Shimano. They are well known as the largest bicycle component manufacturer in the world with their main manufacturing plants in Kunshan, China; Malaysia; and Singapore. Along with cycling components they also produce fishing tackle, and rowing equipment.