The high-quality Dryarn material that is used in the FUTURUM PROFORMANCE Base Layer Extra Cool makes it an outstanding summer undershirt. The special structure of the weave ensures that moisture is quickly wicked away. Together with your cycling jersey, it offers the ultimate in breathability and comfort. The 4-way stretch material ensures a great fit. The shirt feels like a second skin. The Extra Cool base layer is round-knitted, which means that it doesn’t have any seams, so no irritating pressure points will hinder your performances. This base layer will fit perfectly under very tightly cut race jerseys.