★Please comment before purchasing and wait for a reply before buying★ adidas TERREX Trail Running Vest 5 Liters Backpack / Running Pack Hydration Vest Includes 2 HydraPak soft flasks (500ml each) Emergency whistle Reflectors Unisex L [Capacity] 5 Liters [Material] Mesh (79% nylon / 21% polyurethane) [Product Number] HZ0079 [Retail Price] ¥20,900 The flasks will be disassembled (e.g., the mouthpiece) for shipping due to thickness. [Features] ◯ AEROREADY: Soft, moisture-wicking material that quickly absorbs and disperses sweat, keeping you dry. ◯ 6 front pockets / Large slip-in pocket on the back Slip-in pocket on top for easy access to essentials. Trail running, trail running Marathon, Maranic (long-distance running)