Castelli ThermoFlex Kneewarmers - Unisex 5051-468

Castelli ThermoFlex Kneewarmers - Unisex

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Free store pickup available at some stores: inside or at the storefront

Rocksolid Guarantee

Shop with confidence. If it’s not working out, you can return it (consumables, undergarments and swimwear excluded).

Really. If it's not up to snuff after you use it (a couple times) you can still bring it back.

It lasts longer than 30 days, but not forever. We'll be fair about it. We're all members here.

Price match guarantee

Found a better deal in Canada? Up to 30 days after purchase – we’ll match it.

If you see a lower price for this exact item advertised online, in print or in a store, give us a call at 1 (888) 847-0770.

If it’s identical, brand-new, in stock, and sold and shipped by a Canadian-based retailer, we’ll match that price.


Show Description

Getting everything just right, these warmers have a fit that eliminates extra fabric, the silicone grippers prevent slipping, and the cross-wrap cuff adds a touch of comfort.

  • Thermoflex nylon and elastane fabric is warm and stretchy.
  • Silicone gripper at the top prevents the warmers from falling down.
  • Cross-wrap cuff at the bottom provides comfortable protection.

Tech specs

Show Tech specs
Ideal for
  • Road cycling
  • Cyclocross
Fabric content
  • 85% nylon
  • 15% spandex
Gripper elastic

Gripper elastics prevent the cycling shorts from riding up and leg and arm warmers from sliding down.

Made in Croatia