CASTELLI Thermoflex 2021 Knee Warmers ''2''
THERMOFLEX 2 KNEEWARMER
THE DELICIOUS HEAT OF THE THERMOFLEX
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.
We can officially only rate these warmers at UPF 50+, but in our laboratory tests they actually blocked 99.8 percent of damaging UV rays. We used a polyester base that is not only more effective than nylon at blocking UV rays but is also much better at keeping you dry, which means these arm sleeves are better in both cooler and warmer conditions. We’ve kept the construction very clean to eliminate seams that can rub, and we used our double-sided silicone elastic to make sure they stay in place. They fold up extremely small, so they’re great to stick in your pockets for your next big mountain day.
- Warm, soft and stretchy Thermoflex fabric
- One-piece construction with flat seams
- Embossed Castelli lettering logos
- Double-sided silicone elastic at the top to prevent rolling up
- 12 ° -20 ° C / 54 ° -68 ° F
- Weight: 84g
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CASTELLI Nano-Flex Arm Warmers
Snug fit and provides protection from the elements in current freezing conditions
Awesome, perfect fit, warm love the quality.