45L tactical backpack with waterproof function, a large-capacity and easy-to-use rucksack specification with expandable functionality via the MOLLE system. Color: Green color in the first image ・This durable and waterproof backpack can be used in various situations, such as everyday use, mountain climbing, camping, and disaster preparedness. ・Compared to regular rucksacks with a capacity of 20L to 30L, this backpack has a large capacity of approximately 45L. It's a highly practical item that can store a lot of luggage. ・The MOLLE system allows for customization according to your needs and preferences. You can add pouches, drink holders, and other items to further increase storage capacity. ・The backpack is made of durable and waterproof 600D Oxford material. It has a good feel and breathability, and the back is designed to release heat easily. ※There may be slight variations due to cutting and sewing. Please understand. The size of this product is measured flat, so there may be some variations depending on the product. ※The actual color may look slightly different depending on the performance of your monitor.