AquaTuff Suits from Finis are the first and only line of swimwear to come with a 90-day guarantee. * Finis Male Water Polo Brief: Double-lined durable polyester suit for comfort during prolonged use. Designed for training or competition. * Interior black lining in front and back, offering enhanced comfort, support and modesty. 100% Polyester. * AquaTuff Swimsuits: stand up to the toughest of aquatic conditions, resist- ing the damaging effects of chlorine and the sun"s rays better than any other fabric. * Finis Competitive Swimwear: is made of the highest quality PBT and polyester material. This unique fabric is composed of 56% PBT fiber polyester and 44% polyester, offering characteristics of stretch, strength and durability.