Ultraboost 19 Frequently Asked Questions
The biggest difference between Ultraboost and Ultraboost 19 is that the Ultraboost 19 is an updated design made with lighter materials and less pieces than the original Ultraboost design that debuted in 2015. The fit and feel is more lightweight than the original.
The biggest difference between Ultraboost 19 and Ultraboost 20 is the amplified energy return and the new stitched-in reinforcements. The Ultraboost 20 upper has Tailored Fiber Placements to support the updated midsole, which contains 20% more Boost that the original.