If you're going to go casual, why not spice things up with a motivational message? Whether you're looking to pay homage to a leading literary figure, support a charitable initiative, or give yourself a reminder to push yourself just a little bit harder next time you hit the gym, here's a look at some standout inspirational tees.
Smiley Face T-shirt, $92
Just one of up-and-comer Karssen's many uplifting tees.
Maison Martin Margiela
A percentage of the sales of this Margiela top will be donated to AIDES, an organization dedicated to fighting the HIV virus and supporting those affected by HIV/AIDS.
Printed Cotton Tee, $205
'Riot Not Diet' — Wise words? Who knows, but certainly a fun tee and possibly the most wearable piece in Meadham Kirchhoff's S/S 2012 collection.
Maya Angelou, $60
Pay homage to one of the world's most inspiring women, Maya Angelou, with this signature Deer Dana tee.
Particular Try T-Shirt, $123
You'll never wonder, "What if..." with this action reminder.
100% of the proceeds from the sale of this shirt will be donated to Young Survival Coalition, a non-profit dedicated to supporting and educating women with breast cancer.
Magic Tuk Tuk Tee, $30
All profits from this tee will be donated to Magic Bus, a charity that helps children and youth living in poverty in India.
Freedom Tee, $68
Rock this Freedom charity tee under a fitted blazer.
IRMAS SUPPORTS JAPAN, $129
A charity tee done in collaboration with illustrator Jasmin Khezri, irmasworld.com is donating 10% of proceeds to the Red Cross to benefit Japanese relief projects.