Silver Ridge Line is Well-Known Amongst Travellers & Hikers Community. Keep the Sun Out of Your Face During Your Summer Hikes with This Columbia Ball Cap. for Really Hot Days or Physically Demanding Activities There is a Special Wicking Fabric in the Sweatband to Quickly Draw Moisture Away From Your Forehead Keep Sweat From Rolling Onto Your Face & into Your Eyes & Also to Help You Stay Cool & Comfortable. Columbia has Added Elasthane to the Fabric to Make It More Comfy. Minimum Quantities Apply.