Eagle Creek Travel Gear Tailfeather Waistpack  (Black,Medium) Step # 4 in the Eagle Creek Travel System; Personal Organizers. Your day bag carries everything you need for a full day of activities. Shoulder bags, Daypacks, Laptop/tablet solutions, Personal organizers Main compartment with interior mesh zippered pocket and key fob Exterior zippered secondary compartment Padded breathable mesh back panel for a comfortable carry Adjustable waist strap for a secure and comfortable fit