On-Field gear worn by the players, coaches and team staff Removable sleeves with finished seams can be cut above the elbow; cut sleeves cannot be reattached Side splits at hem Add a versatile piece of MLB gear to your wardrobe with this Nike Authentic Collection Performance Half-Zip Top. Inspired by on-field designs, it features removable sleeves for a customizable look and feel. Durable double-pique fabric provides long-lasting wear, while sweat-wicking Dri-FIT technology helps keep you dry and comfortable. This performance pullover delivers a professional style perfect for any baseball fan.