
Another Hygiene reason, deodorants cakes on armpit hairs and it looks disgusting on tv. Your wrestling opponent can complain if armpit hair pricks their face.
Aesthetic- Superheroes and videogame characters have no armpit hair, so to have that superhero look, a lot of wrestlers shave, Also it makes the muscles more visible. It also make the application of fake tan spray easier.
Desexualization - Despite being half naked pro-wrestlers are kid friendly and family friendly personas. Some weird people have hairy armpit fetish. So shaving is a way to desexualize them to keep them pg. It makes also helps their performance to move faster. Swimmers shave armpits to be more aerodynamic, wrestlers do it for the same reason.
This is athletic tape

Its a Minty sticker like bandage they put on wrestlers if they are in pain. Athletic tape have tendency to stick and tangle armpit hair.






