The Performance Evolution Warm long-sleeved shirt combines excellent thermal insulation with stretch and breathability, making it the ultimate first layer in your layering system on cold winter days.The roughened, soft inner material offers an extra portion of warmth and maximum comfort next to the skin.Seamless functional and ventilation zones also ensure full freedom of movement and effective moisture management.- which is particularly important when you are pushing yourself to your limits during training in low temperatures. Compare prices from: Odlo in Men's Underwear