Men's Saucony Endorphin Speed 5 - Triple Black Size:8.5 Fiber Content: 51% Polyester

Fiber Content: 51% Polyester

Cutout back with strap

An updated engineered mesh upper adds softness through the plush heel collar and tongue

Reflective detail on front zipper

this top provides you with ACTIBREEZE™ technology to help you keep cool and comfortable in varying temperatures

Men's Saucony Endorphin Speed 5 - Triple Black Size:8.5 Fiber Content: 51% PolyesterA nylon plated trainer quick enough to race in The Endorphin Speed 5 sits between a daily trainer and a carbon racer. A nylon plate adds snap without the rigidity of carbon, so it stays comfortable at easy pace and comes alive when you pick it up. The most versatile shoe in the Endorphin line, and the one to choose if you want a single fast shoe rather than a dedicated race day pair. The main fit story is that the Speed 4's cramped forefoot has been