Endurance+ (50% polyesther and 50% polybuthylen) guarantees comfortable swimming and long durability. It is 100% chlorine resistant, absorbs less water, quick-dries and maintains its shape and colours for a very long time. The material is 20 x more durable than classic materials. The material is suitable for training and competition swimming. Swimsuits do not have a lining. The advantage of swimsuits without lining is faster drying. Swimsuits have a medium cut. (Medium Leg) This swimsuit has a Muscleback style back. This cut is typical for training swimwear as it provides an optimal range of motion when swimming.