Purchased on ebay and too small. Really nice vest. Soft flasks included.

The Raidlight Responsive 18 liter Running Pack is a small, grey backpack designed specifically for running and outdoor activities. With a sleek and functional design, this pack is perfect for carrying essentials such as water, snacks, and small items while on the go. The model name "Responsiv" suggests that it is a versatile and adaptable option for various outdoor adventures. Perfect for those looking for a lightweight and practical pack to enhance their running experience.