Café du Cycliste Women's Carmen LS Base LayerFeaturing improved fabrics and our flying fish motif, this round neck base layer combines the natural benefits of merino wool with cutting edge technology to keep you cycling for longer in cold conditions. Carmens structured front section traps insulating air, while advanced fabric technology returns heat absorbed by the yarn to the body. The back and arms, meanwhile, provide outstanding wicking and moisture transfer. A new essential for your winter