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

Full round lens shape gives optimal protection against sunlight

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

this rear brake offers enhanced stiffness and reliability

Additional features include WIRE PORT cable routing and a threaded bottom bracket

with no preservatives and natural sweetness

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.