Da Brim Pro Tech - one size Made with 1000d CORDURA® fabric, the Da Brim Pro Tech is abrasion resistant and withstands the tough environment of a work-at-height professional. A contoured brim with a 1 ½” drop at the back adds excellent sun protection to your helmet and helps keep you more comfortable while working out in the hot sun. A water resistant brim keeps rain and snow off your shoulders. Brim dimensions: Front/Left/Right - 3", Rear - 3 1/2", Rear drop - 1 1/2" Installs quickly and easily without modification to your helmet or sticky adhesives Air flows freely through helmet vents, promoting cooling Helps block glare Works with headlamps and hydration packs Flexible UPF50+ Sun Protection Fits most climbing, rigging, and work-at-height helmets. Does not work with hard hats. Uses: Work-at-height occupations, tower, wind turbine, rigging, rescue, professional guides