Barely any arch support and lacks the firm support needed for day long walking. Update May 10: The bluetooth feature works great. I bought a pair for my dad who really likes them too. I have spent weeks researching robotic vacuums. Been building PCs for literally 40 years. Likes: sound quality and volume span. VERY WELL BUILT The first thing that struck me was how light they were. Can be quite a ways away from your phone too. 5 is always roomy), so I ordered 8.