The Hybrid Sweatband combines leading impact protection material from D3O with a 3-inch wide stretchy sweatband to offer you a dual-purpose product. Simply select the length you wish to opt for in terms of coverage and your desired colour from our 3 stock options (further custom colours are available too). Protection Provided by D3O D3O offers the thinnest and most advanced protection against impact. The market-defining products containing D3O are used worldwide by soldiers, professional athletes, industrial workers and people like us. By using D3O In the products it means a slimmer, lower profile material can be used to achieve optimal impact absorption results over other products on the market.