Arcteryx Pack Sizing Chart
Arcteryx Pack Sizing Chart

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Arc'teryx - Alpha FL 45

The Alpha FL 45 from Arc'teryx is a burly fast and light alpine climbing pack with a streamlined design. AC² construction, a roll-top closure, and sealed seams on the main compartment provide highly weatherproof protection. An innovative compression system offers lots of external lash points for tools, crampons, and other climbing necessities, and is easy to use with gloves.

Technical specifications & features

Weight 23.8 oz (675 g)
Gender Men's & Unisex
Size One Size
Made in China
Mfg Sku/Part Number 18679
Cubic Inches 1953 (2746 when extended)
Liters 32 (45 when extended)
Material Main: N400r-AC² nylon 6 ripstop
Primary collar: N100mr-HT nylon 6,6 mini ripstop
Extension collar: N70r-HT nylon 6,6 ripstop
HD 80 foam
HyPUR-cel® foam
Burly Double Weave - 46% nylon, 46% polyester, 8% elastane
Waterproof Yes
Other Features • Ultralight design and construction allow climbers full functionality in a pack that is only 23.8 oz
• Highly weather-resistant AC² (Advanced Composite Construction) fabric, sealed seams and RollTop™ extension on the main compartment provide the ultimate protection from rain and snow
• Glove-friendly main opening with a pull-to-open, pull-to-close drawcord system
• Small external WaterTight™ zippered pocket with key clip
• 4 integrated side lash points (now accommodating straps up to 22mm wide) and 6 on the front for lashing extra gear such as skis or sleeping pads to the pack's exterior
• External bungee compression system can carry crampons, up to 4 ice tools, or a bulky belay parka
• Shoulder strap and sternum strap have been revised for a better fit
• Top rope strap buckle is anchored on the back panel for easier use

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