Puma Magnify Nitro 3 vs Mizuno Neo Zen 2:
Which to Choose

Start with what's genuinely shared: both sit on a 40mm heel stack, neither has a plate, both lean on nitrogen-infused foam for a smooth, settled rather than explosive ride, and both use a wide, planted platform that stays secure when your form frays late in a long run. The differences are in the details that change how they feel. The Magnify Nitro 3 runs a traditional 10mm drop (40mm heel / 30mm forefoot), while the Neo Zen 2 is a much flatter 5mm (40mm heel / 35mm forefoot) — so the Puma gives you that familiar heel-biased, rolling daily-trainer feel, whereas the Mizuno sits lower at the front and works a wider range of footstrikes closer to the ground. The Neo Zen 2 is also lighter, about 241g in a men's US 9 versus roughly 264g for the Magnify Nitro 3, which shows up as slightly livelier turnover and a marginally faster comfort zone (optimal around 5:00–6:00 min/km versus the Puma's 5:30–6:30). Foam character diverges too: the Magnify uses a dual-layer Nitro setup that reads soft-but-grounded and can feel a touch dead when pushed, while the Neo Zen 2's single slab of Enerzy NXT (a supercritical EVA) is tuned firmer and tidier, soaking up miles without going mushy. On support, the Puma is pure neutral leaning on its wide base, while the Mizuno adds a gusseted heel for a stable-neutral hold that mildly-unstable footstrikers will appreciate.