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ArcTeryx Alpha FL 30

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Somerset Blue

The ArcTeryx FL 30 is an ultralight and highly weather resistant 30 litre climbing pack suited to fast and light alpine, ice and rock routes.

Alpha FL packs were created for climbers and alpinists who want a light, durable and highly weather resistant rucksack that is pared down to be as simple as possible. No extraneous straps or parts. To save weight and provide the climber with easy access to contents, the traditional top lid has been replaced with our RollTop™ closure and an external security pocket. The RollTop™ provides a weatherproof seal, extends the packs volume and when not needed tucks inside the pack for quicker access. External lash points can be used to attach tools, crampons, extra layers, helmets, sleeping pads, etc. Shoulder straps are soft-edged and carry extremely comfortably with heavy or light loads.

Ultralight and fast, highly weather resistant and alpine strong, the Alpha FL 30 is for built for climbers. An intense focus on the realities of moving fast on rock and ice led to this versatile, streamlined rucksack that combines leading edge fabric technologies, performance focused design and a confident simplicity.

Light by Design: Every element is carefully considered. Each feature has a specific reason. With no extraneous materials or aspects, the Alpha FL 30 sheds grams without sacrificing strength or performance.

Material Differences: Arc'teryx developed N400-AC², a unique nylon fabric that sheds weather. PU coated inside and out, the fabric is water, snow and even air-impermeable. The RollTop™ closure shuts out the elements, and the seams are taped to complete the seal.

Focussed Features: Focused attention to detail includes a white interior for heightened internal visibility, a glove-friendly draw cord opening for ease of access in freezing conditions, and a unique laminated shoulder strap construction that delivers comfort without unnecessary weight.

Fast & Light: The pack weighs a mere 610 grams (21.5 ounces) and is optimised to work with our companion gear. Use it in tandem with our Alpha FL jacket and pant for an ultra-fast, ultralight, alpine-ready set-up built for the harshest conditions.


Pack Body: N400r-AC² nylon 6 ripstop is coated on both sides to create an air impermeable, waterproof textile. White pigmented inner surface reflects light to help reveal the contents of the bag. Seams are taped for greater weather resistance.

Back Panel: HD 80 foam is a high density polyethylene foam that provides support and structure to the bag, plus comfort against the back.
Collar: N100mr-HT and N70r-HT are used to create the extendable, water resistant RollTop™ closure.

Shoulder straps: N400r-AC² nylon 6 ripstop, Burly™ Double Weave and Hypercell foam are laminated to each other to create luxuriously soft edged shoulder straps that distribute weight without creating hot spots.




Weather resistant & Highly Durable
WaterTight™ external zippers
Main compartment pocket
External zippered document pocket with key clip
Reflective white interior makes it easier to see items inside the pack
Dual haul loops/carry handles permit hauling or clipping off at a snow anchor
Rigid, formed backpanel provides support and structure while remaining comfortable against the back
Fully seam-sealed for water resistance
Arc'teryx AC² (Advanced Composite Construction) suspension system
Adjustable, removable sternum strap
4 cm/ 1.6 in webbing hipbelt
Thermoformed shoulder strap
RollTop™ closure
Extendable collar with drawcord for additional capacity
Large, webbing pull-tabs for quick and easy, glove-friendly access
Top compression strap
Pack Attachment Configuration
Two ice axe loops
Six integrated front lash points
Includes bungee front attachment system for carrying campons or additional items

N400r-AC² nylon 6 ripstop is durable and lightweight
N70r-HT nylon 6,6 ripstop
N100mr-HT nylon 6,6 mini-ripstop
N400r-AC² nylon 6 ripstop
HD 80 foam back panel
HyPUR-cel® Foam
Burly™ Double Weave - 46% nylon, 46% polyester, 8% elastane


  • Dimensions (cm): 60 x 32 18
  • Back Length 9 (cm): 47
  • Material: N400r-AC² nylon 6 ripstop, N70r-HT nylon 6,6 ripstop, N100mr-HT nylon 6,6 mini-ripstop
  • Hydration Compatible: No
  • Ice Axe Holder: Yes
  • Removalable Belt: Yes
  • Volume: 30
  • Weight: 575g

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Jonathan M.
United Kingdom

Simple, Robust and Functional

This is a great piece of kit, which gets used for all occasions. I have used it for climbing, walks and even family trips. It still looks as good as the day I bought it.