Comfort—magnified. MAGNIFY NITRO takes our favorite tech and doubles down, offering the most NITRO foam yet. NITRO gives you a lightweight, responsive ride no matter how you run. MAGNIFY’s new performance last is for a comfortable built for a fit that works for any runner and a breathable knit material that feels just right. To back you up, a 3D-molded heelpiece maximizes comfort and holds your foot securely while durable PUMAGRIP rubber offers multi-surface traction