The structure is very sturdy.  However, the seat is not very long in that it does not strike behind my knee, but rather two thirds of the way from hip to knee.  Also, the armrests take up some room in the width of the seat itself.  All in all, it serves my purpose since I am 5' 7" and weigh around 130.  My brother, who is 6' 3" and weighs around 230, can sit comfortably in the chair.