Castelli 3t leg warmerspart of castellis 3t collection and made of a technical thermoflex fabric this leg warmer provides maximum warmth stretch and breathability you get a close fit that doesnt constrict due to the anatomic cut while the leg warmer is held in place courtesy of the silicone gripper elastic featurestechnical thermoflex fabricanatomic cut for a close fitsilicone gripper elasticweight 119gbuycastelli clothingfrom chain reaction cycles the worlds largest online bike store