44% of 34 verified Adidas Ultraboost 5owners don't recommend it — based on real owner comments from Reddit, enthusiast forums, and YouTube.
For balance: 35% recommend it. This page collects the complaints so you know what you're signing up for — read the full owner report for both sides. How we score
“Anyone have the issue of the footbed moving around in their Ultraboost 19s? It makes mine nearly unwearable. (It slides back constantly. No matter how tight or loose they are.)”— Easy-Lucky-Free on Reddit
“I have tried ultra boost, super boost, and Nike’s new Zoom Fly 6. And the Zoom Fly 6s’ are miles ahead in terms of running comfort and energy return.”— quetzalcoatl48 on Reddit
“This is a super steal, but I honestly hate the look compared to caged ultra boosts. side note: Boost shoes are AWFUL to drive in.”— CielFoehn on Reddit
“I have some nicely broken in 4.0's that feel much comfier than my UB19's I've worn maybe 10-15 times all day long.”— k3nnyd on Reddit
“Most expensive shoes i ever bought. 3 months and they look exactly like you showed in pictures 😞😞”— Outrageous-Youth9232 on Reddit
“it’s pretty disappointing that such an expensive pair of Adidas shoes can break down so easily”— Sattu_Suparii on Reddit
“Great price for Ultraboost. I would actually buy a pair, but mannnn these are fucking ugly.”— galannn on Reddit
“I personally find Nike free RN way more comfortable. Although boosts are more fashionable.”— Laadokaylashkaray on Reddit
“Worst running shoes, had similar issue, thankfully mine was under replacement period.”— NikhilDoWhile on Reddit
“I have gone through 2 pairs of ultraboost and both of them had these issues.”— its_kratosboi on Reddit
“Could feel the shoe brushing up against my big toe and my pinky toe.”— GLaDOShi on Reddit
“That's when I stopped buying Adidas.”— fazal7864 on Reddit
Not complaints — practical notes from owners that didn't affect the score.
“Yea I agree. I got a pair before the triple blacks just for casual wear and the gym. Triple blacks are the only ones I style wise”— shhhpark on Reddit
“The shoes have a warranty of 6 months. Did the sole color started cracking during that time. If yes it’s a manufacturing defect.”— Spirited_Cream3580 on Reddit
“Just ordered the Uncaged Solid Grey / Core Black. These will be my first UBs - hoping the comfort lives up to the hype!”— Teslectric on Reddit
“I had to size up 1/2 a size because the deal is really good and my 1.0's are coming to an end. Hoping it works out!”— tarcoal on Reddit
“It varies user to user and how it is actually used. Could be a problem with the unit you got too.”— Firm-Tumbleweed-1726 on Reddit
“thoughts on caged v uncaged though? just got a pair of caged & thinking about exchanging.....”— petriswish on Reddit
“I use the Adidas Ultraboost 5. From your pics, the Gel Cumulus and the Pegasus are good too.”— Data_Muted on Reddit
“Hey bro you could’ve replaced them within theee months of buying as they’ve warranty for such cases also go for the nimbus this time it’s the best, also running shoes doesn’t mean they’re built for our rough usage the trail versions or goretex ones are all rough and tough”— Delicious-Force1856 on Reddit