Men's Saucony Endorphin Pro 4 - Olivine Black Size:8.5 2x1 rib knit waistband

2x1 rib knit waistband

Secondary back zip pocket easily holds a passport

Big toe and second toe do majority of the work

Featuring a patented

40% polyester jersey

Men's Saucony Endorphin Pro 4 - Olivine Black Size:8.5 2x1 rib knit waistbandElite carbon plated racing shoe featuring revolutionary dual foam technology with PWRRUN HG and PWRRUN PB foam for maximum energy return. Engineered for marathon and half marathon racing with an 8mm drop and weighing just 7. 5oz. The full length carbon fiber plate and SPEEDROLL technology deliver explosive propulsion while maintaining exceptional comfort for long distance performance. Sizing Length: True to size, though runners coming from the Pro 1