Polyester,Cotton, Mashnhead circumference: 55-59cm/21.5u0026#34;-23.2u0026#34;nPolyester, breathable and foldablenAdjustable Chin Strap Unisex design perfect for any outdoor activitiesn8cm wide brim in the front and back, 7cm wide brim on each sidenNew Outdoor Mesh Sun Hat is the perfect hat for any outdoor activities. Features of this hat include a fabric chin cord and adjustable drawcord and toggle at back for a comfy fit.Breathable mesh sun hat keep you cool and comfortable. This hat is ideal for fishing, hiking, gardening or any outdoor.