Cool Weather Reversible Base Layer: Black / Blue (Men's) *XS & S only* Size (size guide at bottom of page):XL Bicep Circumference: <23cm / <9

Bicep Circumference: <23cm / <9

4 inches  Thigh: 44cm / 17

Bicep Circumference: 31-34cm / 12

Also available in Navy Blue and Green as well as a Cool Weather version

Cool Weather Reversible Base Layer: Black / Blue (Men's) *XS & S only* Size (size guide at bottom of page):XL Bicep Circumference: <23cm / <9Combine under a Short Sleeve or Long Sleeve to take that chill out of any cool to cold ride. Made from smooth as silk and fast wicking Italian fabrics the front and arms feature a heavier fabric for additional warmth while the back panel is lightweight and breathable. The Base features raw cut edges throughout to maximise comfort. The two versatile reversible sides provide a multitude of options to either contrast or compliment your Jersey. 83%