Hiemx S GTX is engineered for riders that generate power in cold days. The durable upper is layered with Gore-Tex PFC free membrane, ensuring waterproofness and breathability so that moisture doesn't build up during the ride. Inner Gore-Tex soft fleece keeps the cold out and is a thermal regulator. The sole is engineered to offer the highest levels of grip and prevent constriction that could reduce blood circulation so that the body temperature is preserved. Dual NUUN dial will keep a secure fit for the entire ride. Firmor lateral support ensures greater foot stability during gnarly rides.Gore-Tex EPE membrane delivers eco-friendly weather resistanceNUUN 001C dials are precision-milled from aluminum for strength and minimal bulk. Their aerodynamic shape reduces drag, while SIDI s integrated handle mechanism allows high-torque tightening when activated. The system also functions seamlessly even when the lever is closed, ensuring consistent, micro-adjustable fit with every turn.A reinforced toe protects from rocky terrainThe composite X2CC sole offers a stiffness level of 7 and the highest level of gripAnatomic heel supports sustained pedaling and comfortThis winter-proof shoe offers optimized thermal regulationFirmor lateral system provides the highest level of lateral stabilityRipstop coverage keeps water out, is scratch resistant, and offers a flexible fitMillennium fitItem SpecificationsActivityCyclingCleat Bolt Pattern2-BoltClosureDial/VelcroColorBlack/BlackDefined ColorBlackGender/AgeMen'sShoe Size (EU)40Water ProtectionWaterproof SIDI Hiemx S GTX Cycling Boot - Men's, Black/Black Winter / Boot EAN: 8017732876898