Gregory ZULU 40 Halo Blue backpack Adjustable Comfortable Versatile volume The ZULU 40 backpack for men by Gregory is available at Speck-Sports. This model offers optimal comfort and great versatility. Thanks to its FreeFloat back panel, the backpack adapts to your movements while the mesh allows for effective moisture management. Additionally, the adjustable back length ensures a perfect fit to your morphology. The large zippered opening located on the top of the bag offers quick and easy access to the main compartment while the suitcase-style opening on the front gives access to the entire volume of the backpack. As for storage, the backpack features an upper pocket, a valuables compartment, a front pocket, and two expandable side pockets. It also has two zippered pockets in the hip belt. For optimal functionality, a rain cover is integrated, a hydration pocket can be stored, and elastic loops are provided for trekking poles. Hikers looking for a comfortable, versatile backpack with a customizable fit will love the Gregory ZULU 40.