Personalized Friends For All Seasons Long Sleeve T-Shirt. Winter, Summer, Spring, or Fall, these best friends have it all. Friends For All Seasons Long Sleeve T-Shirt - White, perfect for fans of all ages who love "Dog and Mouse" by Michelle Nelson-Schmidt. Pre-shrunk 100% cotton 6.1 ounce long sleeve t-shirt. Double-needle stitched neckline and sleeves. Quarter turned. Shoulder-to-shoulder taping. Adult: S, M, L, XL, 2XL, 3XL