Personalized I'm A Triathlete Toddler Hoodie. Triathlon athlete Toddler Hoodie - Natural Heather for the competitor in your life who enjoys biking, swimming and running says I'm A Triathlete. Perfect for that next competition. The Toddler Pullover Fleece Hoodie keeps little ones cozy and comfortable through all their adventures. Made with soft fleece and a smooth jersey-lined hood, it’s perfect for layering on chilly days. Ribbed cuffs and waistband help hold in warmth while side seam pockets add a touch of practicality for busy toddlers on the go.