The watch/app also tracks your heart rate, and I like to use it to make sure Im hitting my target heart rate while I exercise. Very thick shearling fleece interior padded footbed supple suede outers with an outdoor gum type rubber sole. The hanger with the adhesive strip that you apply to the wall, and then once you apply it and hold it in place for 30 seconds the actual hook part that you see slides on it securely. It was quite dusty out of the box. Love this brand and the fit. Make sure you take good pictures of the wireing , no diagram supplied Ninguno puede. Die beiden Lichter sind noch noch zur Seite verlängerbar. The first time I wore the shoes, they cut holes in my feet in both big toes and also in both heels. I really like the performance tune.