Castelli Thermoflex 2 Knee Warmer Black XL RGroup_E258B463FBCA5D7103925BB121E46574C61A014C Full round lens shape gives

Full round lens shape gives optimal protection against sunlight

and Rever Triva hydraulic disc brakes for reliable stopping power

Its aluminum alloy frame offers a classic look while ensuring agility and efficiency

tightly packed knobs and a large contact area for excellent terrain adaptation and ride feel

featuring a design free of sharp edges

Castelli Thermoflex 2 Knee Warmer Black XL RGroup_E258B463FBCA5D7103925BB121E46574C61A014C Full round lens shape givesThe Castelli Thermoflex 2 Knee Warmer Black XL uses plush Thermoflex fleece and smart single piece construction to deliver warm, stretchy, and comfortable coverage for cool rides; flat lock seams and dual sided silicone grippers keep the warmers in place while maintaining a low bulk fit ideal for layering under shorts.