The extremely comfortable and stretchy arena men's Dynamo Swim Briefs with a classic look fit like a second skin. They are part of the comfortable arena Feel line and are ideal for fitness and leisure swimmers doing any water activity at the pool, at the beach and in any other body of water. Made of chlorine and saltwater-resistant MaxFit Eco fabric with integrated UPF 50+ UV protection, this 4-way stretch fabric guarantees a perfect fit, maximum freedom of movement and outstanding comfort. It is the eco-friendly version of arena's MaxFit fabric and is made with recycled polyamide. Equipped with an adjustable internal drawstring for an excellent fit and a soft front lining. Side length: 5.5 cm. Every component of the STANDARD 100 by OEKO-TEX® labelled fabric has been tested for harmful substances, ensuring this article is harmless for human health. The test is conducted by our independent OEKO-TEX® partner institutes based on our extensive criteria catalogue.