Sling Bag Backpack, Ultralight Shoulder Bag Chest Bag for Women Men 20L

New Fashion and Durable Sling Bag:（Right/left switchable strap + Waist Strap+3D decompression designed back pad）- The perfect shoulder backpack for both lefties & righties with reversible softly padded shoulder strap. Wearing this sling backpack is super comfortable, the pressure and tiredness can be greatly reduced by the thickened shoulder strap and the 3D back pad. No worry to feel hot with the breathable back design. Ultralight and Water-Resistant Crossbody Backpack: It is only 7oz with the high quality polyester material, which is tear resistant & water resistant. Hardly fading & scratch resistant, any parts will hardly come apart or fade as time goes! This is a small chest bag, a handy companion for keeping travel essentials. 4 SPECIAL FEATURES: 1) Number of ways to wear this sling daypack: shift easily from the chest to the back and vice versa, so getting access on the go is smooth and friction-free. 2) Retractable belt for tighten up the water bottle or hoop your alpenstocks. 3) Includes accessible chest pocket for your cell phone. 4) A headphone hole to enjoy music when free your hands on the go. One Shoulder Bag with 5 POCKETS: 1 front pocket (The front pocket holds small items like cellphones etc.), 1 main pocket (for notebooks or Ipad), 1 back briefcase on the back (can filled with writing utensils),1 mesh pocket (can hold water bottle - Dia< 3.1"(500 ml)), and 1 shoulder strap pocket (size: 3" x 5.5") can fit iphone 6plus.