Defcon 5 Helmet Bag Black NSN 8470150149931 D5-HFB01. There are 2 female velcro on frontal side to apply patches. Specifications for Defcon 5 Helmet Bag: Manufacturer: Defcon 5 Size: One Size Fabric/Material: 1000 Denier Width: 50 cm Height: 50 cm Depth/Thickness: 33 cm Weight: 0.65 kg Pack Application: Tactical Pack Size: One Size Gender: Unisex Features of Defcon 5 Helmet Bag Weight: 0.65 Kg Dimensions: 50 cm x 33 cm x 50 cm Water Repellent 1000 Denier Material Package Contents: Defcon 5 Helmet Bag Defcon 5 D5-HFB01 B: Helmet Bag Black NSN 8470150149931