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Cycling underwear from Castelli for men is the first layer under the jersey or jacket and moves sweat outwards, where it can evaporate.

Castelli cycling underwear for men

The models are sleeveless or short-sleeved, so nothing adds bulk under the jersey. In summer, the aim is a drier feel on the skin; in winter, a denser version also provides insulation.

You hardly notice a good base layer, mainly thanks to flat seams.

Tip: On long tours, carry a second base layer in a bag.