Aiyino Mens Casual V-Neck Button Cuffs Cardigan Long Sleeve T-Shirts US size,100% Cotton All buttons are just for decoration,sewn shut, not any function Do not tumble dry;dry out naturally ,avoid shrinkage Comfortable and slim fit casual wear, neck & cuff with contrast color fashion personality,long sleeve & shorts sleeve shirts more options 100% SATISFACTION GUARANTEE: We've got you covered! comfortably constructed & backed by a 30 day love it or your money back guarantee Either you LOVE the product or you are entitled to a full refund.