Creating the perfect summer weight cycling shirt is harder than it sounds. Castelli have intentionally kept this product as minimalist as possible to let the open mesh fabric pull the moisture off the skin. The secret to this base layer comes in the fabric that is highly stretchy but without using Lycra that tends to hold in the moisture. You stay drier and cooler.
few seams for highest possible comfort and air permeability
Magic Mesh material made of polyester ensures good moisture transport