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Save 28%

Castelli Nanoflex+ Knee Warmers (Black)

now £29.00

was £40.00

Why to buy:The New Castelli Nano Flex + Knee Warmer solves that problem you probably never realised you had with the standard Nano Flex - Flexibility! Knee warmers are a great product extending the season you can wear shorts we love them and these are the best yet.

Available Delivery Options
UK Next Day



More flex, more nano

Castelli's Nano Flex warmers have been in their collection for seven years, and they have finally found a way to improve them. They have added an insert on the back in Nano Light fabric to help them bend around your knee better while keeping all the water protection. More comfort due to more flexibility, and in a slightly more compact package.


Size Guide

Jersey/Short Size Your Weight Suggested Warmer Size
XS-S 45-60KG
S-M 60-70KG M
L-XL 70-80KG
2XL-3XL >80KG XL

Tech Spec

  • Water-resistant thermal and breathable 
  • Nano Flex fabric 
  • Nano Light insert on back for extra stretch, bringing better fit and comfort 
  • Double-sided silicone grippers to keep the warmers in place.
  • Weight: 102g (Pair) 
  • Castelli comfort range 8-18 degrees.

Who's Behind It?

Q. What do a 19th century Italian tailor, a designer for the Milan Ballet and the first ever lycra cycling shorts have in common?

A. They are all part of a rich 140 year history that's led to today's most recognised brand in cycling: Castelli.

Throw in a heart attack on a famous Italian climb, family feuds, Olympic gold medals and controversy in the pro peloton and it begins to sound more like a Sicilian soap opera than the backdrop to a cycling brand. But then again Castelli is no ordinary brand.

Today, Castelli's scorpion emblem is arguably the single most recognised in cycling. Iconic is an overused word these days, but the Castelli brand surely qualifies.

We first discovered Castelli on our year long ride through the Americas in 2010, when our founder Liz (pictured) wore Castelli shorts and loved them, so stocking them seemed an obvious choice. But we're almost as captivated by the story behind the name as the kit itself! For the full Castelli story (it's quite a story!), click here.

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