Personalized Oldenburg Horse Lover Gift Idea T-Shirt. Loved By A Oldenburg Horse T-Shirt - White has a horseshoe logo on this gift for a horseowner, trainer or breeder. 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.