Black Diamond Speed 55 Outdoor Backpack ReACTIV suspension with Swing Arm shoulder straps and thermoformed back panel Top-loading, with removable, floating top pocket, skirt closure and tuck-away rope strap Slightly thicker padding and larger hip belt than Speed 40 for added support Micro ice-tool Pickpockets, three-point haul system and ladder-lock crampon straps Removable, padded hip belt with fixed webbing belt