Ascensionist 35 Backpack
Ascensionist 35 Backpack
Ascensionist 35 Backpack
Ascensionist 35 Backpack

Ascensionist 35 Backpack

Regular price$238.95 CAD
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The Ascensionist Pack 35L is the Goldilocks of alpine climbing packs.
Size chart


Technical Packs Size & Fit Chart

Measurements are in inches, unless otherwise noted.

Size Range Torso Waist
S 14" - 17" 26" - 47"
M 16" - 19" 26" - 47"
L 18" - 21" 28" - 49"
S/M 16" - 19" 28" - 36"
L/XL 19" - 22" 32" - 42"

How to Measure Torso:

  1. Grab a measuring tape and a buddy. Tuck your chin down and feel for the large bone at the base of your neck. This is the top of your torso measurement.
  2. Find the top of your hip bones. Find the middle point between these two on your lower back. This is the bottom of your torso measurement.
  3. While standing up straight, have a friend measure between the two points to find your correct pack size.

How to Measure Hips/Waist:

Find the top of your hip bones. Use that as your starting point, then wrap the measuring tape around your waist, staying close to the top of your hip bones.

Patagonia Technical Packs Fit

Measurements and Image Source:

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Pairs well with

More functional than ever, the Ascensionist Pack 35L is the Goldilocks of alpine climbing packs—big enough to get you into the mountains, yet small enough to climb with.


  • Long Spindrift Collar: Dual spindrift closure allows the pack to expand or collapse, depending on the load
  • Internal Stash Pocket: Internal hanging pocket keeps essentials organized and easily accessible
  • Ice Tool‒Carrying System: Adjustable ice-axe carry can handle most axe shapes
  • Adjustable Sternum Strap: Adjustable, removable sternum strap
  • Removable Compression Straps: Modular, removable compression straps provide maximum gear-carrying versatility
  • Removable Framesheet: Removable framesheet and hip-belt pads make the pack even lighter for the final summit bid
  • Rope-Carrying System: Three-point, over-the-top rope-carrying system can be removed to further streamline the load; pack volume is 35 liters
  • Country of Origin: Made in Vietnam.


  • Body: 5.8-oz 420-denier 100% recycled nylon ripstop
  • Collar: 2.2-oz 70-denier 100% nylon ripstop with a silicone coating
  • Lining: 3-oz 200-denier 100% recycled polyester
  • Body, collar and lining fabrics have a PU coating for durability and water protection
  • Body fabric is certified as bluesign approved

Care Instructions: Hand Wash, Do Not Bleach, Drip Dry, Do Not Iron


  • Gear Capacity: 35L (2,136 cu in)
  • Dimensions: 25.5" x 12" x 5.5"
  • Weight: 1 lbs 15.4 oz (890 g)

Climb On Equipment offers free in-store pick up and ships within Canada & USA (some restrictions apply).

Most orders qualify for free shipping when over $99. Heavy/bulky items such as bouldering pads and faster shipping options do not qualify for free shipping. 

Work & Rescue Orders may qualify for volume discounts. Volume discount orders do not qualify for free shipping. For a more detailed information on shipping, please go to our Shipping Policy page or learn about Returns and Warranty.


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