Gator Skins 001003 Thermal Long Sleeve Shirt, Small Gator Skins thermal are the warmest and best solution for cold weather outdoor sports. Knitted from an extremely thin and lightweight material that moves with the wearer. A breathable, rugged fabric that is water repellent and warms 3 times better than wool. Gator Skins will keep you warmer in the cold and dryer in wet weather and still breathe better than any other water repellent material.