Castelli Core Seamless Short Sleeve Base Layer in Black

Stay completely focused when riding in cool conditions. The Core Seamless Base Layer in Short Sleeves has a totally seamless design so there is no niggling discomforts even under race-fit, aero jerseys.The base layer is made from a mix of polyester and polypropylene to create an exceptionally stretchy fit so your freedom of movement is unencumbered. The blend of yarns is also soft to the touch, warm, and high wicking for when the tempo increases and your body is working harder. Lightweight sections on the side and back reduce bulk where you don’t need quite so much insulation and help give the base layer its almost unnoticeable feel when you’ve got it on. A wide neck sits easily under short-collared jerseys.Features:84% polyester/16% polypropylene yarns provide softness, warmth, wicking, and exceptional stretch fitSeamless construction means extra comfortLighter weight on side and backWide neck opening to fit under short-collared jerseys8° – 20°C / 46° – 68°FWeight: 151g (Large)

All UK Mainland Bike Deliveries Over £999 - Free Bike orders are sent via TNT/FedEx with estimated delivery within 1 working day after quoted dispatch time (For Scottish Highlands, Northern Ireland, Isle of Man and the Channel Islands deliveries please allow an additional 1-4 working days).Bike orders under £999 will incur a £20 delivery fee.

Free Delivery On Orders Over £50.00 - When you spend more than £50.00 at 99 Bikes deliveries to a UK mainland address will be free (excludes bikes & large items).Certain regions and territories of the UK will incur additional charges, details of which can be found on our delivery page.

Click & Collect Orders -Please be aware Click & Collect orders may take some time to fulfil. We advise not to travel to your chosen store until you have been notified that your order is ready for collection.

At 99 Bikes our priority is to ensure that you are highly satisfied with your purchase. In the unlikely event that you aren't, we offer a 30 day online return policy* in which you can receive a full refund. Any item including bikes (with the exception of food) can be returned to us for any reason provided it is received by us in an unused and resalable condition in or with its original packaging which must be undamaged.

Find Out More About Returns >