Dont recommend these for exercises though, especially if running on the spot. I first order a size Medium for my daughter who normally wears size 10-11. The straps adjust well, if I need it loosened or tighten. ive tried this item for a few days now and it does not charge my iPhone, AirPods, and Apple Watch. Some have complained that they break easily. No padding or arch support, and unfortunately because i ordered my exacy size, an orthopedic insert probably isnt an option. They feel very premium. Laut Roccat, (Zitat): ?Griffig, haltbar und schmutzabweisend dank einer vor Verschleiß schützenden Hybrid-Beschichtung. Its hard to find slippers for swelling feet and these slippers are a great find. I always tell people they are my most comfortable shoes.