Can prevent sunlight from entering your eyes. Also can effectively prevent ultraviolet rays,keep you safe under the sun. These baseball cap are cotton material, lightweight,comfortable and well absorb sweat. Ideal for all seasons of daily use and for outdoor activities. These adult baseball caps with buckle closure on the back, ensure maximum comfort and a secure fit.Suitable for men,women and teen. The unisex design makes it suitably perfect for both mens and womens.This is a great gift for a family and in summer. The unisex baseball cap perfect for outdoor activities like cycling, ball games, hiking, camping, swimming, vacations, sports and activities.