Castelli Core Seamless Long Sleeve Mens Cycling Base Layer - Black Clothing Size:L-XL you'll find that Castelli's Thermoflex

you'll find that Castelli's Thermoflex warmers offer the softest

Long sleeve jersey in a classic grid-back insulating fabric

Move confidently with no visible transparency

durable nylon bristles and rubberized impact zones for maximum protection on delicate finishes

18mm hardened MAX-Performance steel shackle resists

Castelli Core Seamless Long Sleeve Mens Cycling Base Layer - Black Clothing Size:L-XL you'll find that Castelli's ThermoflexTime to give seamless base layers another try. Seamless construction promises stretch and comfort, but most base layers on the market have a nylon and Lycra mix that feels comfortable when you put it on but then ends up feeling wet when you're actually riding, and you freeze when you stop. We've worked hard to make this Core Seamless base layer keep you warm and dry, thanks to the addition of polypropylene and polyester yarns, while not compromising