What time is it? Adventure Time! Decked out in his Awesome Hat, the thalassophobic 12-year-old Finn and his best friend Jake are ready to tackle the next adventure. This red, standard fit shirt is made from 100% cotton. Be sure to check out our Size Chart to get an idea of the average size and dimensions of this Adventure Time with Finn & Jake tshirt style. Check back often for some of our new Adventure Time with Finn & Jake clothing and other Adventure Time with Finn & Jake Merchandise at great prices only at AnimationShops.com.