Arcteryx, Arc'teryx Needle 55 Backpack - 3112-3356 cu in Black/Molten, Tall All Internal Frame Backpacks >>> Internal Frame Backpacks by Arcteryx More details and ordering info. The Arc'Teryx Needle 55 Backpack is the weapon of choice for long alpine ascents. Combining Arc'teryx's trail proven suspension with a modular design, the Needle 55 is a light and stable way to carry your self upward. A HDPE framesheet and aluminum stays are internally mounted for maximum stability, while a Thermoformed backpanel rests against your body. To make sure you're comfortable throughout your climb, Arc'Teryx designed the Needle 55 with Thermoformed shoulder straps and a pre-formed hipbelt that disperse the load and take weight from your shoulders. The top lid and accordion front pocket extend the volume of this pack for extended stays at elevation. This is a hydration ready pack with plenty of gear carrying options. Product Features Material: x-Pac vx21, hypalon Volume: [short] 3112 3539 cu in, [reg] 3234 3661cu in, [tall] 3356 3783 cu in Suspension: V-Stay Back Panel: Thermoformed padding Hydration Compatible: Yes Product Dimensions: 7.0 pounds User input on Arc'teryx Needle 55 Backpack - 3112-3356 cu in Black/Molten, Tall by Arcteryx: Be the first to submit input on this product Submit Input: Your Name: Write or Paste Input here: Upload picture:      Review Guidelines