It Can Be Used As A Casual Hat For Daily Use,As A Bike Cap (Fits Under The Helmet) Or Running Cap,Or As A Sleep Cap To Eliminate Fatigue After A Long Day'S Work.But Also Very Suitable For Daily Wear,Such As Going Out, Yoga, Sports,Hiking,Dancing And So On.Also Suitable For Outdoor Sports,Such As Hiking,Camping,Skiing,Snowboarding,Running,Skating,Cycling,Exercising,Etc.