It's a brand-new addition to the Assos line for this winter and despite looking like a long-sleeved, full-zip jersey ... need to be light and aero on the bike. The Thermobooster was perfect ...

Beautifully tailored, incredibly comfortable, and effective at both high and low intensity with the right layers ...

It's tight in all the right places and doesn't move about when changing positions on the bike. The gripper on the Pearl Izumi jersey is slightly ... straying into Rapha, Assos and the higher ...