100% recycled honeycomb polyester. Dope dyed polyester. Recycled lamination lining. Structured, recycled buckram, six-panel, mid-profile. Mid-visor (slightly curved) with Black undervisor, ReTraze recycled visor. Recycled DRY-TECH sweatband. Hook-and-loop closure. 2 1/2 bottles were recycled for this hat. This product meets the following Sustainable Style subcategories - Sustainable Materials - Contains 100% recycled polyester Sustainable Manufacturing - This product is GRS certified. Socially Conscious Manufacturing - This product is made in a facility that is audited by BSCI/SMETA.