Personalized Life Better Triathlete Infant Dress. Triathlon athlete Infant Dress - White with Stripes or the competitor in your life who enjoys biking, swimming and running says Life Is Always Better When I Tri. Perfect for that next competition. This infant girls fine jersey dress combines soft comfort with a sweet, simple style that is perfect for everyday wear. Made from lightweight jersey fabric, it feels gentle against delicate skin while allowing easy movement for play and all-day comfort. The classic short sleeve design and relaxed fit make it ideal for casual outings, photos, or special moments. Durable stitching helps the dress keep its shape through repeated washing, making it a dependable choice for parents who want both comfort and practicality in baby clothing.