LAFEINA 360 Degrees Cycling Summer Hat with Neck Protection Flap for Outdoor Fishing 360 degree sun protection design , UV proof, anti-mosquito Breathable wicking mesh on both sides of the top, designed to eliminate hot sense of suffocation Removable hat neck protection to protect back and side part of neck in 360 degree Elastic and fast buckle at the back of the hat can be manually adjusted to meet different head circumference Perfect for outdoor activities such as fishing,cycling, hiking, gardening, travelling ,etc.