This does NOT support 550 lbs. It only supports 250 lbs. Someone had a typo and it should be 550 Kilos. I bought this for my boyfriend and he is 254 lbs. It seems to hold him but it also seems a little short for him. He is 6 ft. 1 in. and his feet are at the very end. It's a tight fit. Otherwise, the material is nice and true to color.