The $10 t-shirt deal of the day over at RIPT Apparel is a Firefly-themed shirt (with a nod to the Alice In Chains album Jar of Flies) called “Jar of (Fire)Flys” by artist Dana Lechtenberg.

The sale at RIPT began today, Tuesday, July 5, 2011, at midnight CST, and will continue for 24 hours from then, and once it’s over, it will not be sold on the site anymore.

The t-shirt is available in men’s and women’s sizes for $10 each in black. Kids sizes are $15 (Boys and Toddler in silver; Girls in black); Onesies are $18 (in black). You can also get the design on a Hoodie for $38 (in Men/Unisex sizes in black).