The Ultimate Direction Fastpack 20 in Black S/M is a lightweight and durable backpack designed for fast movement in the backcountry. It features a unique vest-like fit with water bottle pockets in the front for easy access, while still distributing weight like a traditional pack. With Infiknit and FastFlow technology, the backpanel offers increased breathability and moisture-wicking capabilities. This versatile pack includes plenty of external storage options, a convenient roll-top opening, and a full-side external zipper for quick access to your gear.