The Smitty MLB Thermal Umpire Jacket is is perfect for cold weather conditions. Designed to have a lightweight feel, it keeps you warm without the bulk. Fleece interior is paired with a water resistant polyester shell to shield you from rain, wind and cold.Specifications Sized to accommodate a chest protector- size down for wearing on the bases. Black Jacket with Grey Shoulder Accents Expandable shoulder gussets provide greater movement Full front zipper Zippered Left Chest Pocket Weather Resistant Coated Shell Fully Lined