The extremely stretchy and sporty men's briefs swim trunks Threefold fit like a second skin. It is part of the extremely comfortable arena Feel collection and is perfect for fitness and leisure swimmers, for all kinds of water activities in the pool, at the beach and in other water environments. Made from chlorine and salt water resistant MaxFit Eco fabric with integrated UPF50+ UV protection. The 4-way stretch fabric offers a perfect fit, maximum freedom of movement and an extremely comfortable feel. It is the environmentally friendly further development of arena's MaxFit material and contains recycled polyamide. Equipped with an internal drawstring for optimal support and soft front lining. Side length: 7cm. Every component of the STANDARD 100 by OEKO-TEX® has been tested for harmful substances in OEKO-TEX® certified materials and the product is harmless to human health. The test is carried out by independent OEKO-TEX® partner institutes based on the comprehensive catalogue of criteria.