Sweat shirt with zip, rib on sleeves and waist for better adjustment. Round neck.Specifications:- Material: 100% Polyester InterlockTechnology:Interlock: - It Is A Fabric Of Flat And Double Point, Which Looks The Same At Both Sides, It Has Good Elasticity And High Durability, Giving The Garment A Very Smooth And Dense Material With An Extra Smooth Surface.