"Layering properly is the key to staying warm. On the road or the trails, in a race or at the weekend, the Essential Layer Vest is the base layer for every rider. With a close fit, the lightweight vest provides high breathability and wicking properties. Vital for staying warm, dry and comfortable on any kind of ride. Designed to be worn under a jersey, the vest provides a close fit for exceptional comfort and warmth. Part of the Essential collection, the Essential Layer Vest is for every rider, delivering comfort, durability and performance.