So I've had my 3/4 O'neill youth Epic wetsuit and it works great but I've noticed on both spots of my elbows the wetsuit has shriveled up like a raisin and is a brownish color...Does anyone know why this happens? How it happens?

So I've had my 3/4 O'neill youth Epic wetsuit and it works great but I've noticed on both spots of my elbows the wetsuit has shriveled up like a raisin and is a brownish color...Does anyone know why this happens? How it happens?
do you rinse them out after you wear them? happened to my body glove 3/4 as well around the elbows
Yea I rinse it after every surf
wenis bro. It has a wenis.