Men's R1

Road Running, Race

The original, record-breaking road ultra shoe. Featuring LightCELL and ZeroSag cushioning for efficiency and comfort, TUNEDFIT Dual Lacing System for on-the-fly adaptability, and a CPU outsole for durability that matches the demands of the world’s best ultrarunners.

TUNEDFIT Dual Lacing System for separate lace adjustment
Dual-zone ZeroSag midsole inserts with little degradation during long runs
LightCELL midsole base featuring excellent lightness and bounce
GOFLOW midsole geometry to guide your stride
Double-layered jacquard upper with 40% recycled polyester
Recognized with APMA Seal of Acceptance for promoting good foot health

Weight: 8.5 oz / 240 g
(US M9)

Drop (Stack Height): 8 mm
(Heel 35 mm, Forefoot 27 mm)