Material: 1: 91% Nylon, 9% Spandex / 2: 49% Polyester, 46% Nylon, 5% PolyurethaneSailing requires tough clothes, Nautic Sailing 3/4 Pants is a real top choice! 3/4-length sail shorts from Nautic in a very durable material. They have an elastic waist and belt buckles to be able to individually adapt. Two open side pockets and two pockets on the thighs with a zipper closure so you can safely store your necessities that you want close at hand. Good stretch that promotes freedom of movement. Reinforced area over buttocks and knees as these are the most exposed places especially in sailing. The shorts are wind and water resistant and have a good breathability which makes them perfect for boating.