WINDCHASER Bike Backpack Waterproof Breathable Cycling Small to Medium, Black\nDescription\n\nFeatures:\n--\u2665 10L cycling backpack, the ultimate waterproof and tear resistant nylon fabric. Can be used as a drinking bag, suitable for 2 liters of water reservoir, special hole design for water bag (drinking bubble is not included).\n--\u2665 Adjustable shoulder straps and waist straps fit your cycling, jogging, running needs. Suitable for both men and ladies, please choose your favorite color, ultra light and durable.\n--\u2665 Sporty look: The look is sporty, dynamic, start and seamlessly based on functionality and ergonomic ease.\n--\u2665 Reflective strip design: The reflective strip on the shoulder strap is used to ensure quiet and safe cycling.\n--\u2665 Ideal sport bag for outdoor activities such as biking, cycling, jogging and running etc .. This backpack can be used as a faithful and versatile companion for your short trips or your sporting experience.\nProduct Details:\n--Pm