Shimano SH-RX600 Shoes Optimized for Adventure The all-new SH-RX600 Shoes build on Shimano's decades of experience with performance footwear and bring it to the world of performance-oriented gravel riding. These high-performance shoes offer a balance of lightweight stiffness for pedaling efficiency, with the walkability needed to get through the most rugged of hike-a-bike sections. The RX600 Shoes feature a gravel-optimized carbon fiber reinforced nylon outsole-with an 8/12 Shimano stiffness rating-letting you lay down the power efficiently over any terrain. The surround wrapping synthetic leather upper offers sublime comfort and holds the foot securely in place, while a BOA(R) L6 dial and hook-and-loop strap provide quick and precise fit adjustment. Features Carbon fiber reinforced nylon sole with an 8/12 Shimano stiffness rating for the ultimate in efficient, versatile performance Lightweight design tipping the scales at only 274 grams (size 42)TPU lugs and a wider outsole pattern offer improved walkability for when conditions get tough Supple synthetic leather upper for supreme comfort as the miles tick by BOA(R) L6 dial and a hook-and-loop strap for quick, easy, and precise adjustment Specifications Upper Material Synthetic leather Closure type BOA(R) L6 dial with hook and loop strap Midsole Carbon fiber reinforced nylon + TPUCleat Compatibility SPDIntended Use Gravel, Adventure, Cyclocross, XCSizing EUUS Men's363. 7374. 537. 54. 8385. 238. 55. 5395. 839. 56. 2406. 740. 57. 2417. 641. 58428. 342. 58. 7438. 943. 59. 3449. 744. 510. 24510. 545. 510. 94611. 246. 511. 54711. 84812. 34913. 25014. 25115. 25216. 2 | Shimano | Sh-Rx600 Bicycles Shoes Men's | Size 45 In Black | Nylon