Castelli 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 Castelli’s 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 helps protect against damp roads and light rain. Original retail value: $124 AUD Key Features Nano Flex 3G fabric providing warmth, breathability and water repellency Thermal construction designed for cool weather riding Water-repellent treatment helping protect from light rain and road spray Flat-lock stitching with a single seam improving comfort Double-sided silicone grippers keeping the warmers securely in place Lightweight construction weighing approximately 133 g Ideal temperature range approximately 8°C to 20°C The Nano Flex 3G Knee Warmers are a versatile solution for riders tackling cool mornings, changing weather and long training rides. From the World Tour to your door.