MSRP: $89.95
When it comes to route packs, it’s hard to find the perfect fit. Too small, too big, too flimsy, too heavy—the demands of diverse terrain exclude almost any solution. Black Diamond’s Rock Blitz 15 offers a formula for this equation. To see if this small and simple pack could carry the kit needed on a multipitch route and actually survive, I carried it through the heart of the Tetons alpine climbing season in Wyoming and put it to task on the granite and quartzite of the east coast.
Rachele.
The robust construction was the first thing I noticed. With thick, 840D nylon on most of the exterior, this pack is built to be dragged along the rock. The EVA (ethylene-vinyl acetate) padded shoulder straps and back panel make carrying it a breeze. These are small compromises in terms of weight that pay dividends in longevity and comfort. Even with these features, it still comes in at 403 grams (14oz).
The top closure system is fast and intuitive. At hanging belays, I could open the top, yank out a jacket or snack, and reseal it with one hand still holding the brake. The side zip pocket became my go-to for storing the route topo, a small camera, and a snack bar. On a long day at Seneca Rocks in West Virginia, I pulled out that topo mid-pitch without having to take the pack off. Be careful if you haul this pack though, as the zipper does zip down which means you could open the pocket if the zipper gets snagged.
Due to its size, the Blitz 15 demands discipline in packing. With shoes, a rack, harness, shell, water and some snacks, I couldn’t get everything inside and usually ended up wearing my harness and some of the rack on the approach. For approaches with more hiking, this meant carrying the Blitz inside of a bigger pack and then using it just for the route.
Besides the side zip pocket, there isn’t a lot for internal organization. Inside the pack, there is a small zip pocket for essentials, a clip to hang a water bladder, and one big space for everything else. I prefer a sleeve for the water bladder personally; it protects the bladder from sharp things in the main compartment and I occasionally stack my rap line in there for a quick deployment. That’s the cost of a lightweight route pack.
The Blitz 15 is honest about what it is and what it isn’t. It’s a rock climbing pack, not an alpine all-rounder. There are no ice-tool loops. There’s no frame sheet to stiffen heavy loads. There are no organizational bells and whistles. If you want compartments, you’re out of luck. But that’s also its strength. It does exactly what I need on a single-day rock climb: it holds the essentials, stays out of the way, and disappears on route. When I need more volume—say, carrying a big belay parka for shoulder-season objectives—I’ll reach for a 20- or 22-liter pack.
After a season of use, I’ve come to trust the Rock Blitz 15. It’s not the most versatile pack in my quiver, but for fast-and-light rock days, it’s become the default. It’s the pack I grab when I know I want to move quickly, carry just the essentials, and not worry about snagging a bulky bag in a chimney.
Worth noting, the pack’s body is constructed with recycled materials, there is a water hose route for an internal water bladder, a top strap doubles as a rope carry, the waist belt is removable, and it comes in two colors: Carbon (black), and Desert Sage (light green with black).
The Rock Blitz 15 nails the mission it was designed for, but the simple construction and lack of versatility keep it from being perfect. Used within its lane—warm-weather multipitch, quick alpine rock routes, or long crag approaches—it’s one of the most functional little packs I’ve carried. Step outside that envelope, and you’ll quickly find its limits. This little pack has earned a place in my kit, not because it’s flawless, but because it allows me to climb without thinking about my pack—and in the end, that might be the best standard of all.
Pros: Simple, small (not bulky), durable, external stash pocket, rope carry strap, easy top access at belays
Cons: No separate water bladder sleeve, too small to carry it all, minimal organizing pockets
Paul Rachele is an IFMGA Mountain Guide, an AMGA Instructor Team member, an AIARE Course Leader and owner/operator of Core Mountain Guides (coremountainguides.com).
