ALTRA Flow 2 – Natural movement with a 4 mm drop and lightweight rocker
🎯 Ideal for daily running and all-day wear
The Flow 2 is one of Altra’s lightest models, designed for daily runs, easy running or walking. It features a 4 mm drop, natural FootShape™ feel, and a rocker sole with Altra EGO™ P35 foam for a smooth rolling stride roadtrailrun.com+1runningwarehouse.com+1.
✔️ Key Features
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4 mm drop + FootShape™ Fit: Neutral positioning with a slight offset, providing an easier transition to conventional running shoes.
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Altra EGO™ P35 midsole: New soft, responsive foam compound that improves comfort youtube.com+8roadtrailrun.com+8runningwarehouse.com+8.
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Rocker geometry: Facilitates the transition from heel to toe.
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Cellular rubber outsole: Lightweight grip on both tarmac and light trails .
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Engineered knit upper: Improved fit and better ventilation, with enhanced heel lockdown reddit.com+3runningwarehouse.com+3eatingwell.com+3.
📊 Technical Specifications
| Feature | Description |
|---|---|
| Drop | 4 mm |
| Stack Height | ~32 mm (heel) / 28 mm (forefoot) |
| Midsole | Altra EGO™ P35 |
| Cushioning | Soft – Lightweight (Low‑Moderate) |
| Weight | ~227 g (Men’s US 8.5) altrarunning.com+10roadtrailrun.com+10runningwarehouse.com+10 |
| Outsole | Cellular rubber |
| Upper | Engineered knit with improved fit |
| Fit | FootShape™ Fit (Original/Standard) |











