Comfortable And Soft: Made Of Soft, Lightweight 100% Cotton Jersey, These Everyday Must-Have For Layering Under Dress Shirts Offers Maximum Comfort And Breathability. Slim Fit: Adjusted Ease On Body Featuring A Ribbed Crew Neck Collar. Lacoste'S Signature: Crocodile Tag At The Bottom Of The Garment Easy Care: They Are Machine Washable And Should Be Line Dried, Making Them A Practical Choice For Everyday Wear While Ensuring They Retain Their Shape And Comfort Over Time.