The twist is prefabricated in a way that is easy to twist and untwist many times over

String Pattern 16/19

Cushioning: PWRRUN PB

New HOLLOW-TECH guides your stride without added bulk

Endorphin Shift 2 Mens Size:UK7.5/US8.5 The twist is prefabricated inUSA TO UK SIZE CONVERSION CHART Feel good cushioning and speed. The Endorphin Shift 2 is the definition of effortless performance. It mixes a lofty bed of PWRRUN cushioning with propulsive SPEEDROLL Technology, so you get more comfort and speed out of each stride. And with its stable platform and touch of guidance, you can count on lots of feel good miles, every day of the week. Whats new? Snugger fit with a trim new heel counter, more breathable