Cute 100 days smarter groovy shirt for men, women, boys, girls, kindergarten teachers, primary students, principals, 1st graders, and kids at elementary, middle school, pre-k class on birthday. Gift for 100 days of school 2025, first day of school, 100th day of school 2025. happy first day of school, back to school gift, 100 days smarter, school activities. Lightweight, Classic fit, Double-needle sleeve and bottom hem