Made to keep up with all their shenanigans. Standing mock-neck collar. 1/4-length zipper from chest to chin, with light-reflecting trim. Long raglan sleeves, with contrasting banded trim. Ultra-soft, breathable lightweight jersey lets him vent. Four-way super stretch for ultimate movement. Go-Dry moisture-wicking technology keeps him dry & comfortable. Flat-lock seams prevent chafing. polyester 95% spandex 5%