Nano Flex Knee Warmer |Castelli|Soudal Quick-Step Condition:New Pro-Level Technology: Developed in collaboration

Pro-Level Technology: Developed in collaboration with EF Education's professional riders

giving you exclusive access to the same gear used by the best in the world

When it comes to **pure speed and aerodynamic efficiency**

Providing a comfortable fit for a wide range of hand sizes

This is an official EF Education First team rain bag

Nano Flex Knee Warmer |Castelli|Soudal Quick-Step Condition:New Pro-Level Technology: Developed in collaborationCastelli Nano Flex 3G Knee Warmers The Castelli Nano Flex 3G Knee Warmers are designed to provide versatile protection for cool and unpredictable riding conditions. Built using Castellis advanced Nano Flex fabric, they deliver warmth, breathability and water repellency in a highly adaptable piece of kit. The thermal fabric keeps your knees warm in cooler temperatures while remaining breathable during harder efforts. The water repellent treatment also