Shimano SH-RC903E S-PHYRE Road Shoes The shoe dreams are made of The long-awaited day has finally arrived: the Shimano SH-RC903 S-PHYRE Shoe is here. After thorough testing and refinement, the RC903 has become the go-to choice of top-level pro riders. The RC-903 shoe is designed to help you perform at your highest level. This updated version builds off of the popular RC-902 with an improved retention system and heel cup, increased ventilation, and reduced weight. This SH-RC903E shoe utilizes a pair of BOA Li2 dials that are adjustable in both directions, with optimized cable routing for even, hotspot-free adjustment at the turn of a dial. The ultra-stiff carbon fiber composite sole rates 12/12 on Shimano's stiffness scale and is zone-optimized for peak power transfer, without sacrificing comfort as you power through your most competitive rides. Features Carbon fiber composite midsole that is zone-optimized for unbeatable power transfer and comfort Wide fit for riders who need a bit more side-to-side space Dual low-profile Boa Li2 dials with improved cable routing provide quick and accurate micro-adjustments without hotspots Exceptional breathability with a perforated microfiber synthetic leather upper and a lower mesh tongue Updated heel cup resists twisting forces for increased comfort and pedaling efficiency during hard efforts Ultra-lightweight at approximately 225g per shoe (size 42)SPECIFICATIONSUpper Material Microfiber Synthetic Leather Approximate Weight255 grams (Size 42, single shoe)Closure type Dual Boa Li2 Dials Outsole Carbon fiber composite Cleat Compatibility3-Bolt, SPD-SLIntended Use Road, Road Race Sizing EUUS363. 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-Rc903E S-Phyre Bicycle Shoes Men's | Size 43 In Blue