Shimano SH-RC903W S-Phyre Women's Road Shoes The shoe dreams are made of The long-awaited day has finally arrived, the newly-updated Shimano SH-RC903 S-Phyre Shoes are here. After thorough testing, and becoming the choice of top-level pro racers, the RC-903s are road shoes designed to help you perform at your top level. This updated version builds off of the popular RC-902 with an improved retention system and heel cup, increased ventilation, and reduced weight. The SH-RC903 utilizes a pair of BOA Li2 dials that are adjustable in both directions, with an optimized cable routing for even, hotspot-free retention 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 Women's-specific last for intentionally-designed comfort 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 Weight215 grams (Size 40, single shoe)Closure type Dual Boa Li2 Dials Outsole Carbon fiber composite Cleat Compatibility3-Bolt, SPD-SLIntended Use Road, Road Race Sizing EUUSCM375. 52337. 5623. 5386. 523. 75397. 224. 25407. 7525. 25418. 525. 75429. 526. 754310. 526. 84411. 227. 75 | Shimano | Sh-Rc903W Sphyre Bicycle Shoes Women's | Size 41 In White