eYourlife2012 Mens USB LED Lighted Fishing Hiking Running Cycling Knit Baggy Beanie Hat Cap Cotton + Acrylic Material: Cotton + Acrylic One size fits most. Come with USB charger. Provides enough light for finding your way in the dark or completing tasks in poorly lit environments, Great for Camping, Grilling, Auto Repair, Jogging, Walking, or Handyman Working Great gifts for both men and women.