Adidas Hyperboost Edge vs Salomon Aero Glide 4:
Which to Choose

Start with the geometry, because that is where these two genuinely diverge. The Hyperboost Edge sits on a 45 mm heel / 38 mm forefoot stack with a 7 mm drop, while the Aero Glide 4 runs a 43 mm heel / 32 mm forefoot stack with a much steeper 11 mm drop. That means the Adidas keeps more foam under the forefoot and a lower, more forward-leaning ramp that suits midfoot landers, whereas the Salomon's taller drop and thinner forefoot ease the calves and reward a heel-friendly stride. Weight is nearly a wash — 247 g for the Edge versus 255 g for the Aero Glide 4 in men's US 9 — so neither will feel meaningfully lighter on the run. The foams differ in kind rather than degree: Adidas uses a PEBA-based Hyperboost Pro superfoam that compresses deeply and springs back with a light, energetic pop, while Salomon's optiFOAM² is a supercritical eTPU delivering a springy, protective toe-off with strong (~72–73%) energy return. Both share the same caveat — a tall stack over a fairly narrow base that can feel slightly tippy at very slow, plodding paces, and both reward you as soon as you settle into a rhythm. The clearest split is intent: the Edge is tuned faster, optimal around 4:15–5:00 min/km with the half marathon as its sweet spot and useful pace down to about 4:00–4:30, while the Aero Glide 4 is happiest cruising at 4:45–5:45 min/km with the long run as its home turf and its ceiling around 4:30–4:45. One more practical note — the Salomon's engineered mesh upper runs narrow, so wide-footed runners need to size carefully, whereas the Adidas Primeweave upper is a more forgiving, breathable knit.