Mount to Coast | P1 | Women’s | White/Black

The Mount to Coast P1 is a next-generation stability running shoe engineered for runners seeking optimal support, comfort, and performance. Designed using biometric insights and advanced materials, the P1 redefines stability footwear with innovative features tailored to enhance every stride. At the core of its support system is the unique 3D Archrail, a flexible, adaptive structure that extends from the lateral midfoot to the medial forefoot. This targeted design helps control excessive foot motion, providing dynamic stability exactly where runners need it most.

Built into the midsole is GOFLOW geometry, a research-backed rocker that encourages a smooth, natural heel-to-toe transition. Combined with LightCELL foam—a nitrogen-infused, PEBA-based cushioning system—the P1 delivers a lightweight ride with exceptional bounce and energy return. Whether you’re logging daily miles or tackling long runs, this foam offers the plush responsiveness needed for sustained performance.

The full-coverage rubber outsole ensures durable traction across a variety of surfaces, giving runners confidence with every step. On top, the shoe features a plush circular knit upper that enhances breathability and comfort. An adjustable midfoot wrap provides a secure fit, while the removable dual-zone insole boosts heel and arch stability for a truly personalized feel.

With its combination of smart stability, energetic cushioning, and adaptable fit, the Mount to Coast P1 stands out as the ideal running shoe for those who demand both support and comfort on every run.

UPPER 

• Circular knit creates a plush step-in feel with foot-hugging comfort. 
• Adjustable midfoot wrap is a thin embedded arch strap connected by an eyelet to the laces, allowing a customizable quick lockdown with increased structure.

MIDSOLE 

• 3D Archrail helps control excessive forefoot abduction, which Mount to Coast’s research identified as the most important injury risk factor related to overpronation. 
• LightCELL is PEBA-based and nitrogen-infused supercritical foam for lightweight and responsive cushioning. 
• GOFLOW geometry is a supportive midsole design engineered to encourage efficient running mechanics. 
• Removable dual-zone insole provides additional arch support and heel stability. 

OUTSOLE 

• Full-coverage rubber provides exceptional traction and durability.