I bought this Sorgen cold compression knee brace for my mother who is 55 and suffers from arthritis. She likes that she can stick the compression pump on the brace after inflating them. She feels relief and uses it after every few hours. It stays cold for 25 to 30 minutes - long enough for one session. It's easy to align with the knee. Watch the wearing video to wear the knee brace once - the second time onwards, it's simple to wear.