The newest addition to the Newton family offers intelligent control for all foot types. The Isaac is a neutral guidance trainer designed for runners committed to improving their running form to the more efficient midfoot/forefoot running style.
- Beveled Heel and Toe: helps guide runner easily into the midfoot/forefoot
- Beveled Lugs: smoother, stable feel that is more gradual in the forefoot
- Wider midfoot/forefoot and lugs: adds stability and creates a softer feel
- Midfoot Chassis/Shank: adds support and stability
- Carbon Runner Outersole: increases durability
- Closed Mesh on Upper: keeps small debris out.

Weight: 309g