If there's one failing to most legwarmers, it's that they absorb water like a proverbial sponge. On rainy days, they end up waterlogged and providing compromised warmth. However, the Castelli Nanoflex Leg Warmers are perfect for riding in conditions that are both cold and wet. Then again, outside of Mojave heat levels, we can't think of any condition that won't benefit from Nanoflex. Nanoflex is a proprietary Castelli fabric. The mill begins with Castelli's super-warm and ultra-stretchy Thermoflex fabric (used in many of its winter pieces) receiving an exterior coating of ultra-tiny nanofilaments of silicone fiber. These fibers create a near waterproof barrier to moisture, and raindrops run off the fabric without soaking through. Despite its water-resistant finish, Nanoflex fabric remains highly breathable, keeping you comfortable in almost any condition. Silicone leg grippers keep the Nanoflex legwarmers in place on the hardest of rides, and ankle zips make them easy to get past the largest feet. And lastly, reflective logos are printed at the knee and below the calf in order to increase your visibility to motorists in low-light conditions. The Castelli Nanoflex Leg Warmers are available in four sizes from Small to X-Large and in the colors Black, Red, and White.
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