Give my dad a treat Gave my mum a T-shirt Gave me a T-shirt The Fabric is 450-Dinyour Polyester with a TPU film laminate and a durable water-repellent finish. This guy is super tough and highly weather-resistant. The large main pocket holds the lion's share of the load, and packs easily thanks to the bucket style opening. Inside, you'll find a dual-purpose sleeve that Holds most 15 inch laptops or hydration reservoir for long days on the trail. There's also a with a key keeper and an organizer panel. And on the top, a small stash pocket that seals with the zipper. The heavy-duty molded back panel sheds moisture and allows for a cooling airflow. And padded shoulder straps and a sternum strap secure the pack. Stretch-woven pockets on the sides accommodate a wide range of water bottle shapes and sizes. A stealthy zippered front pocket holds quick-access items. And daisy chain lash points secure small items or a bike light. We built the 25-liter black hole pack