Renowned for its innovative, pro-level swimwear, Arena was established in 1972 by Mr Horst Dassler, son of adidas founder, Mr Adi Dassler. - These streamlined jammers are made from Arena's quick-drying stretch-jersey fabric to guarantee comfort during long stretches in the pool - They have a chlorine-resistant finish - An internal drawstring and briefs provide support and a personalised fit - - Black stretch-jersey - Internal drawstring waist, partially lined - 100% polyester; lining: 100% nylon - Machine wash