Personalized Happy 100th Days Of School Youth Hoodie Sweatshirt. The Happy 100th Days Of School design features vibrant colors and playful elements that capture the excitement of reaching this important milestone. It's a great way to show off your school spirit and commemorate the hard work and dedication that goes into 100 days of learning. This youth pullover fleece hoodie delivers reliable all-season comfort with a durable cotton-poly blend that keeps kids warm and ready for anything. Crafted in 7.5 oz, 60% cotton / 40% polyester fleece, it features a jersey-lined double-needle hem hood, topstitched neck, and coverstitched shoulders and armholes for added structure. With ribbed cuffs and bottom band, a front pouch pocket, and side-seam construction, this hoodie is built for everyday wear, vibrant school days, weekend outings, or layered looks. Machine washable and made to stand up to repeated wear and washes.