I never really looked at it that way. I've got a couple of pair of cycling specific ones, along with cycling specific rain jackets, and then a couple of pair of general rain suits, Frogg Toggs brand. To date I have only replaced one pair of the Frogg Togg bottoms, which run around $30, victims of a vicious dog mauling which completely shredded them (ok, so it was my black lab when he was about 7 months old, got the closet door open and had fun chewing them up while I was outside washing my car.