Personalized Allergic to Humans T-Shirt. A cute lucky cat is holding a ball of yarn and wearing a face mask. Why? Allergic to humans! Funny gift for anyone who needs a break from humanity. 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.