Adidas Ultra Boost and Nike React Experience. Lastly on the feel of these Adidas Ultra Boost and Nike React, we do think they are great for everyday running. The impression is almost similar but at just 1mm taller than Ultra Boost, the React has this springy texture made of different material. Based on my experience, the Ultraboosts are good running shoes for people starting out. Here are a few reasons why: Accommodating upper/wider toebox. As a person wide EE feet, I have never had problems in either of my pairs with respect to width. The OG ultraboosts (from 1.0 to 5.0) tend to be more cushiony and great for light activities and daily ware. I've got ultraboost 21, it's much more firm and isn't as soft as the OG, but I prefer to use it for the running/Gym but surely it isn't as comfy for daily ware. The 21's seemed to turn a lot of people off ultraboost. Increase mileage slowly, strengthen your legs, improve running form, have good protein intake. Down the line, you could get better running shoes. Good to know, thanks! Ultra Boosts are good running shoes compared to the dusty old Nikes that you've been using to mow the lawn since you were in eighth grade. The Ultraboost 20 continues to improve on the previous qualities that made this a great shoe to start with: A springy, comfortable ride that provides just enough support and cushion to make them a Adidas says that the Ultraboost 21 is 15% stiffer than the previous version which creates more propulsion. I don’t think the Ultraboost 21 needs the extra propulsion because it’s not designed for fast running. The LEP system in the 21 makes the shoe feel too stiff and clunky. I really like the new outsole design of the Ultraboost 21. The Ultra Boost is a neutral shoe but has a stack height of 27 mm at the heel and 17 mm at the forefront. A 10 mm (about 0.4 inches) offset from heel to the forefoot places this shoe in the medium stack height category, but it’s on the upper end of what I tend to run in. Sitting inside the midsole is the Torsion System. UltraBoost. You may be surprised to find out that you can get the UtraBoosts for around the same price as PureBoosts if you know the right site to go to. For example, you can purchase these all-white Adidas Ultra Boost 4.0 Marathons for $155, the same price as the PureBoosts listed above. However, more specialized editions can easily go over $200. Adidas Ultra Boost shoes feature high-tech answers to some of the issues present in most running footwear. The sum of all that technology is a smooth-riding, lightweight (about 11 oz.), uber-comfortable, and very fast dedicated road runner. Adidas Ultra Boost Cushioning. The cushioning in these shoes is the heart of the technology story. Midsole Drop: Your adidas Ultra Boost Light has a heel to toe drop of 10 mm. Shoe Weight: 10.3 ounces. Perfect For: A lightweight high cushion run on the track or treadmill. VIP 90-Day Perfect Fit Promise: VIP Family members can hit the streets in the adidas Ultra Boost Light, risk-free! Try 'em out for 90 days and if you don't love them fuZj.