Personalized Mimosa Brunch T-Shirt. Funny champagne brunch lover T-Shirt - White says It's Not Brunch Until I Get My Mimosa. Perfect for lazy Sunday breakfast and lunch champagne drinkers who love orange juice and a little bubbly. 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.