This really is extremely cool: The Monoflaschenset 40lbs / 18l Eclipse-Wing in the 20-year-HALCYON anniversary edition with carbon backplate! 20 years Halcyon "Doing it Right" with a limited edition with a complete Fiber Carbon backplate, with complete Harness with aluminum D-rings, 2 quick-release weight pockets, Stainless Steel Single Tank Adapter with 2 single-tankstraps, with stainless steel caps and anti-slip pads, a 40lbs / 18 liters Singletankwing, with embroidered logo in black / blue and inflator. Delivery in Halcyon box with instructions. No better way to do it! The entire series was launched only about 300 copies worldwide!