Castelli Thermoflex 2 Cycling Knee Warmers - Black ChannelUKONLY Designed and engineered to perform

Designed and engineered to perform on paved roads

WORKS WITH THE VARIA APP: This smartphone app helps you increase your awareness by providing graphics — plus tone and vibration alerts — to indicate the position and speed of approaching cars

FuelWise™ smart fueling assistant - Learn to refuel and maintain adequate energy levels during your long sessions

If it gets run over by a truck they'll help you out with a low cost accidental 'crash replacement'

Each GEL100 contains 25g carbohydrates

Castelli Thermoflex 2 Cycling Knee Warmers - Black ChannelUKONLY Designed and engineered to performTHERMOFLEX LUXURIOUS FLEECY WARMTH If you don't need the extra wet weather protection of Nano Flex, or if you've always been happy with traditional warmers, you'll find that Castelli's Thermoflex warmers offer the softest, most luxurious fabric combined with careful attention to construction details. Features: Thermoflex fleece fabric is warm, stretchy and soft Single piece construction with flat lock seams Embossed Castelli wordmark logos Dual sided