>>1925019sanitary pads (aka menstrual pads) attach to your underwear via adhesive, tampons are inserted. You don't have to be a woman to know the difference and you sound retarded for refusing to learn basic facts about the opposite sex.
The pad is there to provide extra support when you're sitting on a hard ass bicycle seat for several hours, if you have a comfy saddle and you do short rides it's not necessary.
>why no underwear?because it causes chafing and is redundant, your attempt at being more modest by wearing underwear with them is what is giving you a camel toe
>is it worth ityes if you're doing serious rides and don't want to wear clothing that starts flapping violently everywhere once you go > 20mph