Summer jersey weather, but a bit of a breeze? Aye, this base layer's your secret weapon. Forget stuffing newspaper down your front – this'll keep the wind off. Windproof panels on the front, shoulders, and sides, so you're protected. Mesh back, so you don't boil in the bag. Made for bikes, sits right when you're riding, not just standing about. Flatlock seams, comfy as. Perfect for those in-between days, 5-20 degrees. Extend your summer riding, no faff.