The Citadel_H2 is the first half zip CITADEL with two external water bottle pockets. The front exterior panel features two fast-access pockets. The top pocket is our standard CITADEL essentials pocket including our Fidlock magnetic key-chain. Laser-cut, locking zipper pulls secure your gear. Our standard suspended, protective laptop sleeve is combined with a drop-in tablet pocket. Ergonomic 3D shoulder straps with two densities of EVA foam provide both cushion and support. The pack also has a contoured back-panel with an air-channel to keep you cool and dry. Optional compression straps are great for attaching gear to the of the pack.The CITADEL_H2 features our latest textile: EmberTex. With EmberTex we have now removed all PFAS (forever chemicals) from our supply chain. EmberTex is a twisted nylon 6 with an abrasion resistant matte finish, a lustrous texture and a smooth hand feel. The 1200×600 Denier gives it more structure for ease of packing and access. Combined with YKK Aquaguard zippers, the CITADEL_H2 is durable and weatherproof. Laser-Cut and Bonded hypalon panels embedded in its shell add structure where it’s needed.All Black Ember products are made using our BOND-STITCH high-precision construction. All textile components are Laser-Cut for precise assembly. This construction yields a functional, durable pack with a blacked-out, minimal aesthetic.