The t-shirt deal of the day over at RIPT Apparel today is a Portal-themed shirt called “Lab Rat” by artist Melee_Ninja.
The shirt went on sale at RIPT today, Monday, May 21, 2012, 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 brown. Kids sizes are $15 (Boys, Girls, and Toddlers in brown); Onesies are $18 (in brown). You can also get the design on a Hoodie for $38 (in Men/Unisex sizes in brown).