Summer weight

The Merino Extrafine wool

It is an extraordinarily light and breathable jersey

the Challenger ATR 6’s outsole delivers smooth transitions from one surface to another

castelli prosecco tech ls m 060544 Summer weightThe first goal of this base layer is to move moisture away from your skin while adding minimal insulation for those cool days when your riding intensity is high enough and your outer layers are warm enough. The areas covered by the bibtight around the waist and up the back can get hot, so we used a lightweight PrimaLoft fabric to help even out the temperature. This base layer works best when in contact with the skin, so both fabrics are very stretchy