GOGO Mens Rash Guard Short Sleeve Top Our size is not standard US Size. Please check our SIZE CHART in the description or image to get the perfect fit. Kindly suggest you to order 2 sizes up than what you usually wear. Price is only for the shirt, bottom is not included. Material: Polyamide. Hand wash. Superior protection from harmful UV rays. Perfect to wear under a wetsuit or as part of a swimming costume.