How do i change my avatars sex ?

[Empu]

Spawned into the game as a woman, which is cool i guess, but i identify better with a male avatar :)

[DaviDeMo]

change your hair :-P

[ryeguy429]

y e s

[Star Centurion]

Yeah, there's no specific toggle. You just mix and match the hair, face & clothing items until you find something that suits you.