Personalized Cavapoo Poodle King Charles Spaniel T-Shirt. Of course I talk to my Cavapoo, who else can I trust funny dog owner gift for someone who loves their poodle and King Charles Spaniel mix pet Everyone loves our Custom T-Shirts! Wardrobe essential for looking good, 24/7. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar. Shoulder-to-shoulder taping. Double-needle stitched sleeves, bottom hem and front neck. Note: greys are a cotton/polyester blend.