Question: what is the difference between ultra boost 3.0 and 4.0?
Answer: The 3.0 features a translucent cage, whilst the 4.0 goes back to basics with an opaque one, taking design cues from the UB 1.0 and 2.0. ... If you aren't a fan of the this all white sneaker and prefer something a little bit different, be sure to check out these leaked shots of the upcoming adidas Ultra Boost 4.0 'Oreo'!