Personalized Sister Worlds Best Big Sis Toddler Sweatshirt. Big Sis World's Best Toddler Sweatshirt - White has pretty pink sports style logo for the new big sis or your favorite sister Keep your little one cozy and stylish with this soft and durable toddler sweatshirt. Designed for comfort and ease of movement, it features a classic fit with ribbed cuffs and hem for added warmth. Perfect for everyday wear, playtime, or chilly outings, this sweatshirt is made to withstand the adventures of an active toddler