Fizik Vento Omna Shoes Race-ready features for the real-world rider With trickle-down features from the top-level Fizik race shoes, the Fizik Vento Omna Shoes are engineered for performance and comfort for competitive riders. The Vento Omna uses a newly redesigned R5 nylon outsole, this moderately stiff sole balances pedaling efficiency with all-day comfort, with a slightly rearward cleat positioning for less knee compression and increased efficiency. The Li2 BOA(R) Dial C Fit System uses textile lace guides to adjust tension evenly across the top of the foot, all at the twist of a dial. The ventilated PU upper provides supple comfort, airflow, and a high-density construction for increased stability and power transfer. For gran fondos to criteriums, the Fizik Vento Omna Shoes are race-ready shoes for riders of all types. Features Li2 BOA(R) Dial C Fit System uses a single dial that pulls lace from multiple eyelets simultaneously to evenly adjust tension throughout the foot Perforated high-density PU upper offers increased airflow, with the support and comfort needed for long rides Slightly rearward cleat positioning compared to other models, for reduced knee compression and improved pedaling efficiency Redesigned R5 Nylon Outsole for mid-level sole stiffness to balance all-day comfort with race-ready pedaling efficiency SPECIFICATIONSClosure type Li2 BOA(R) Dial C Fit System Cleat Compatibility3-Bolt Intended Use Road Sizing EUUS364 1/4375 1/437. 55 1/238638. 56 1/4396 3/439. 57407 1/240. 58418 1/441. 58 3/442942. 5942. 59 1/2439 3/443. 510 1/443. 510 1/44410 3/444. 5114511 1/245. 5114612 1/446. 512 1/24713 | Fi'zi:k | Vento Omna Shoes Men's | Size 42. 5 In Black/black | Nylon