The Shimano RX600 shoes are gravel shoes that offer a balance with an optimal point of stiffness and walking comfort.Features:Use: GravelThe carbon-reinforced sole provides competition-level stiffness for long-lasting performanceWide sole pattern with TPU studs for optimal performance both on and off the bikeLightweight sole inspired by gravel competitionThe wrap-around upper pattern balances holding strength and comfortThe BOA® adjustment system with the L6K dial allows for quick and precise micro-adjustmentSystem designed with SPD pedals for optimal pedalling efficiency and stabilityTechnologies:BOA L6: Steel lace closure system, nylon guides, and a mechanical reel designed to address the long list of deficiencies found in traditional closures. It is a perfect fit with a simple twist, free from the stretch, weight, and inconvenience of outdated closures.