Featuring an AIRFIT® headband

Size Guide - Head Circumference

allowing them to spread

soft and highly supportive fabric and designed on a modern design block with flattering style lines

Men's Saucony London Endorphin Speed 5 Injury prevention and recovery Featuring an AIRFIT® headbandThe Saucony Endorphin Speed 5 while designed as an up tempo shoe, has quickly proven to be much more, being equally capable during long, moderate training sessions as well as sprints to the finish. A full length semi rigid nylon plate between two layers of responsive PWRRUN PB foam, gives you a perfect balance of propulsion and cushioning for every stride, while smooth SPEEDROLL technology provides effortless speed, smooth turnover and propulsive