Sonik Bank-TEK Bivvy 1 Man This bivvy with a flat back design can be set up ultra-fast. Water column: 10,000 mm. With removable Tuff-lite groundsheet, lightweight three-piece aluminium frame, durable 19mm D-section poles, large canopy for door protection, two-way door, three door window options (green, clear PVC, mosquito net) and large rear mosquito net openings. Incl. bag and T-pegs. Dimensions: 280 x 245 x 135 cm. Transport dimensions: 165 x 25 cm. Weight: 9.5 kg. Tent material: 100 % polyester, groundsheet: 100 % chlorofibre.