Tried to wear these a couple of times and now lost them. They are either too tight and leave marks on my legs and when straining my muscles by cycling uphill they just popped off. When I place them lower down, they just slide to the ankle and they trousers come out. Would not bother buying them again but rather the velcro bands with lights and added stretch, much more comfortable and stay where they are supposed to be. Was a waste of money.