but highly encouraged

The phrase on the front could lead to some interesting thoughts with the words

Includes luminescent hour and minute hands

Eeyore bashfully sits on this 100% men's t-shirt from Disney

A perfect shirt to wear at comicon conventions

Mixed Gender Lab Funny Black Adult T-Shirt Shake It Up but highly encouragedMixed Gender Lab. No crying and no falling in love allowed! Male, Female, Intersex, Genderless, Transgender, Hetero, Lesbian, Gay, Bi Sexual; it doesn't matter. The rules apply to everyone. This exclusive Old Glory design is printed on a high quality 100% cotton, classic fitted, crew neck, short sleeve adult t shirt.