Free shipping over is valid in the US lower 48 states only, and is not available for PO Boxes or Military APO/FPO addresses.
2017, 2018, and 2019 Budget Pick - Backpackers.com
10 Best Lightweight Backpacks of 2018 - CleverHiker
Best Ultralight Backpacks of 2018 - GearJunkie
One of The Best Summer Packs of 2017 - Outside Online
The Flex Capacitor features a unique patent pending gusset system that allows the pack to quickly and easily expand from 40-60 liters with the adjustment of a few straps. Instead of expanding up like other packs, the circumference of flex expands to provide a more stable and comfortable load carry.
Key Features
Packbag Key Features
- Expandable 40-60L volume (volume varies between sizes)
- Ultralight weight design
- 2 torso sizes (non-adjustable)
- 4 hip belt sizes
- U-shaped top access zipper
- Zippered stash pocket on lid
- Removable reservoir sleeve
- Shoulder strap water bottle pocket
- Stretch mesh side water bottle pockets
- Two hip belt pockets
- Compression straps
- Ice axe/trekking pole loop
Suspension Key Features
- Lightweight "Y-FLEX" suspension
- EVA foam hip belt and shoulder straps
- Raised lumbar and scapula pads (EVA foam)
- Load lifter straps
- Hip belt stabilizer straps
- Adjustable hip belt
Materials
- Body Fabric: 100D Nylon-Poly Ripstop
- Secondary Fabric: 420D Nylon Oxford
- Stay Material: DAC Pressfit Aluminum
- Number of Stays: 1 "Y-FLEX" stay
Tech Specs and Sizing
| PACK SPECS | S/M | M/L |
| TORSO SIZE | 16" - 19" | 18" - 21" |
| VOLUME (Liters) | 39 - 56L | 42 - 60L |
| VOLUME (Cubic Inches) | 2400 - 3400 | 2550 - 3650 |
| WEIGHT | 2 lbs. 9.2 oz. (With S/M hip belt) | 2 lbs. 11.2 oz. (With M/L hip belt) |
| DIMENSIONS (LxWxD) | 28.5" x 13 "x 10" | 30" x 13" x 10" |
| MAX COMFORT WEIGHT | 35-50 lbs. | 35-50 lbs. |
| HIP BELT SPECS | XS/SM | SM/MD | MD/LG | LG/XL |
| WEIGHT (Ounces) | 10.2 | 11 | 11.5 | 12.2 |
| WEIGHT (Grams) | 290 | 310 | 330 | 350 |
| HIP BELT FIT RANGE* (Inches) | <29 | 29 - 32 | 32 - 35 | >35 |
| HIP BELT FIT RANGE* (Centimeters) | 74 | 74 - 81 | 81 - 89 | 89 |
*This is a hip measurement, not a waist measurement. Please watch pack fit video to learn how to properly measure.
| config_file_url: | /content/webrotate360/360_assets/flexCapacitor/flexCapacitor.xml |
|---|---|
| Award Badge: | Yes |
| Moosejaw: | https://www.moosejaw.com/product/sierra-designs-flex-capacitor-40-60-pack_10333406?cm_mmc=P2P-_-sierra-designs-_-na-_-sierra-designs-flex-capacitor-40-60-pack&ad_id=sierradesigns |
| Enwild: | https://www.enwild.com/sierra-desings-flex-capacitor.html?utm_source=sierra-designs&utm_medium=ptop |
-
Sierra Designs Flex Capacitor 40-60 Pack -
How to pack a backpack: Organization & load distribution -
How to Measure & Fit the Sierra Designs Flex Capacitor Backpack
