installation time. they are a little tight on my instep right now as I have a high instep, but I know they will loosen up as the sheepskin begins to stretch a little. I am NOT hard on slippers by any means. Si je suis sur un appel et que je suis à lextérieur. Grips are just black. They dont weigh me down so they help me feel light on my feet whether Im jogging or running. no problem o f disconnection. I am expected to return their defect, at my cost. Get a case immediately, before you drop the thing and break its plastic body. 5 and 8.