Swimwear : 100% Taslan nylon. Most swimwear on the market are made from polyester. Taslan nylon is the best fabric for swimwear because it dries faster, is lighter and breathes much better than polyester. Boxer: 77% nylon - 14% elastane - 9% polyester - Nylon: quick drying. - Elastane: elastic effect. All quality boxers always have a good percentage of elastane. - Polyester: helps to provide good support and to ensure that the boxer shorts fit well.