Altra Women's Torin 9 Color:72C The NITROGEN INFUSED MIZUNO ENERZY

The NITROGEN INFUSED MIZUNO ENERZY NXT in the top midsole enhances the cushioning and energy return

Combined with Cloudsurfer cushioning for an effortless feeling

The Endorphin 3 is the lightest spike for any miler to 10K runner

The ultra-lightweight design is equipped with a carbon fiber plate and an ultra-responsive PEBA midsole

New sculpted footbed for flexibility and stability

Altra Women's Torin 9 Color:72C The NITROGEN INFUSED MIZUNO ENERZYTap into unique comfort with the Torin 9. Its responsive, soft, and performance focused, so you can be uniquely you on your next road run. With an all new durable Vibram XS DURA rubber outsole, its 8. 5% grippier than the Torin 8 and made for whatever the road throws your way. An all new P35X dual density foam is built to deliver an energetic, cushioned underfoot feel by combining a soft foam with a firmer one for a stable and comfortable ride. Altra