Tailored with a polypropylene inner surface, nylon outer surface and open mesh construction, the Castelli Seamless base layer was designed to move moisture away from your skin as quickly as possible. It obviously works extremely well in warm conditions under any short sleeve jersey, but Castelli also suggests you try it in colder conditions under a long-sleeve base layer. This is a great way to keep dry and maintain body temperature.
Place an of $100 or more,
and receive a gift certificate
for 10% of your order total.
Most regular and sale items,
earn you 10% or more back.
Look for the red message on
each item page.
Some items only show rewards
when they have been added to your cart.
Simply enter your gift certificate
at the time of your next order.
Rewards are not transferrable,
or redeemable for cash or gift certificates.
Rewards will be adjusted on,
returns and to reflect any unearned value.
To receive your order by 12/24, consider the deadlines listed below:
For guaranteed Christmas arrival, items must be in stock at the time of the order. Also, the deadlines may be different for bikes, frames & wheels which require additional time for prep and assembly. Questions? Contact us.