Castelli Nano Flex+ Kneewarmer Variant:Castelli Kneewarmer Nano Flex+ Black - XL Sized perfectly to fit the

Sized perfectly to fit the Aerobase 2 and made from durable PE material with corner webbing peg points to keep the floor secure and in-place

Moncoque chassis

It's perfectly at home on the trail or the road

Lightweight

Window UV Protection Rating: UPF 50+

Castelli Nano Flex+ Kneewarmer Variant:Castelli Kneewarmer Nano Flex+ Black - XL Sized perfectly to fit theMORE FLEX, MORE NANO. Our Nano Flex warmers have been in our collection for seven years, and weve finally found a way to improve them. Weve added an insert on the back in Nano Light fabric to help them bend around your elbow or knee better while keeping all the water protection. More comfort due to more flexibility, and in a slightly more compact package.