Defcon 5 Base Jump Sport Helmet Tan NSN 8415150142513 D5-IBH02 CT. Great for training search and rescue climbing and other outdoor activities. Lightweight multi-impact ventilated liner with repositionable EPP impact pads and LDV closed-cell. Specifications for Defcon 5 Base Jump Sport Helmet: Manufacturer: Defcon 5 Size: One Size Gender: Unisex Color: Tan Fabric/Material: Polycarbonate Weight: 1.1 kg Condition: New Features of Defcon 5 Base Jump Sport Helmet Occ-Dial adjustable fitband and side pads for comfort and stability 4 Position Accessory Rail Connectors for quick attachment of headborne accessories Side velcro loops It includes a wing lock adapter for the side rails. Weight: 1.10 Kg Package Contents: Defcon 5 Base Jump Sport Helmet Defcon 5 D5-IBH02 CT: Base Jump Sport Helmet Tan NSN 8415150142513