The other sits on the other side. I’m a size five so had to order 4 and a half to 5 and a half and they do fit - just. All the previous shoes took years to wear the way these did in just three months. Pros and Cons follow. I use it to relieve the pain on my heel due to plantar fasciitis . If I store the MegaBoom for more than a week the battery is completely dead and have to spend hours charging it. Unfortunately, the part that is a bit too snug is across the area just below where my toes meet my foot; adjusting the velcro closure does nothing for this issue. ) and while having 2 people to assemble it would be best, it can be done alone and i’m proof of that. Its very soft and comfortable. I usually get at least 6 -8 months before they are they are worn with small rips and I have never had a pair rip so badly.