Age old vaporfly vs alphafly question. Half marathon this Sunday on roads. Weather in high 20s w some wind, relatively flat with 2 hilly sections. ( Vaporfly have 68 miles, alphafly have 38
Nike Streakfly Vaporfly Alphafly comparison over 30k LONG marathon training session! - YouTube
Air Zoom Alphafly NEXT% Flyknit 'Hyper Violet' - Nike - CI9925 501 - hyper violet/flash crimson/black/black | Flight Club