But theyre spongey and soft on the foot bed and I can wear these all day going on walks w my kids, spending all day at dusty baseball tournaments, chasing toddlers, playing in the backyard, going shopping, Ive even done yard work in them. this unit is TALL. But it was dead! They easily stayed on my feet, the heel cups work very well! love the style and the texture. I?m wearing a 5. I initially bought this so my old 2016 MBP could work with only one cable, and I found out that this device does not support 4k for all models and connection types (displayport vs hdmi) - the older the device, the less is supported there. I used a 1/8 drill bit and drill out the cornor of the rectangle and then used a Dremel Tool with a cut off wheel. le on a Budget. I bought three in various colors.