Speedo's jammer has been made in chlorine resistant Endurance+ material with an inner drawstring at the waist for a secure fit & has a leg length of 44cm. With integral support. Glossary: Endurance+: Every Speedo suit featuring Endurance+ is 100% chlorine-resistant, quick drying & engineered to keep its shape, even after daily swim sessions. Endurance+ is 20 times more fade resistant than conventional swimwear & even snag resistant too.