Saucony Endorphin Speed 5 Shoe Size:10 Based on scientific findings that

Based on scientific findings that suggest better tissue relaxation and recovery reform from lower vibration frequencies

lace up and make your move

Measure around your rib cage where the bottom band would sit

If the difference is between sizes

4x waist storage pockets for nutrition or accessories

Saucony Endorphin Speed 5 Shoe Size:10 Based on scientific findings thatThe new Saucony Endorphin Speed 5 has arrivedfaster, smoother, and more refined than ever. Still built for speed day and race day, it now features a reengineered mesh upper for an improved fit, plus a redesigned outsole for greater durability and smoother transitions. With its trusted trio of SPEEDROLL technology, PWRRUN PB cushioning, and a semi rigid winged nylon plate, the Speed 5 strikes that perfect balance between snap, support, and comfort.