ASICS METASPEED SKY TOKYO vs Nike Alphafly 4

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METASPEED SKY TOKYO compared with Alphafly 4

	ASICSMETASPEED SKY TOKYO	NikeAlphafly 4
Overview
Released
Released	May 2025	September 2026
Fit and feel
Made for
Made for	Racing	Racing
Weight
Weight	159 g (better)	208 g
Heel height
Heel height	40 mm	–
Forefoot height
Forefoot height	35 mm	–
Drop
Drop	5 mm	8 mm
Carbon plate
Carbon plate	Yes	Yes
Midsole foam
Midsole foam	FF LEAP and FF TURBO PLUS	ZoomX LT foam above ZoomX foam, layered above and below the plate; dual forefoot Air Zoom units, softer and quieter than before
Plate
Plate	Full-length carbon plate, flatter and set higher in the midsole than in the METASPEED EDGE TOKYO	Wide carbon-fibre Flyplate with the Alphafly's propulsive scoop
Upper
Upper	MOTION WRAP 3.0	Seamless Atomknit upper with open-hole mesh zones, midfoot cables and an integrated heel unit; moulded sockliner
Outsole
Outsole	ASICSGRIP rubber (Running Warehouse)	Fast Shot outsole
Use
Best for
Best for	Racing, for stride-style runners	Half-marathon and marathon racing
Measured figures
Measured figures	Running Warehouse, men's US 9: 159 g, 40 mm heel, 35 mm forefoot, 5 mm offset. RunRepeat lab: 163 g, 38.7 mm heel, 32.7 mm forefoot, 6.0 mm drop. ASICS's figures, as listed by RunRepeat: 170 g, 39.5 mm heel, 34.5 mm forefoot	–
Design
Colourways
Colourways	–	Sea Glass/Laser Crimson/Phantom/Burgundy Ash