What Our Gearhead(R) Experts Are Saying:"This 2-liter sling is my go-to for minimalist adventures. It's the perfect size to carry essentials like my phone, wallet, and keys while keeping them secure."We love the simplicity and versatility of the Peak Design 2L Outdoor Sling. This ultralight cross-body bag is the perfect companion for those moments when we just want to grab the essentials and go. The durable Terra Shell fabric stands up to rugged environments, while the weatherproof UltraZip keeps everything inside safe and dry. With a quick-adjust padded shoulder strap, it's easy to find the perfect fit, whether we're wearing it across our body or around our waist. Inside is a padded drop pocket to protect our phone, along with two mesh pockets to organize small items.