This is not sold in stores, and there is very limited quantity.

•  Techwear "GZ126065" Tactical Waterproof Backpack
• Combinable with Techwear, Darkwear and Streetwear
• Raincoat & Backpack in one
• Designed for style and comfort
• Multi Function Backpack
• Removable Patchwork Hat
• Waterproof Backpack for Traveling
• Material: Nylon, Polyester