Gorilla 40 Ultralight Backpack

• New belt with added stiffener and stay integration for superior load transfer and comfort


• Hackable into multiple configurations


• New Removable Top Lid (Brain)


• Unisex ergonomic belt shape


• 3 belt size options for a more custom fit


• Large functional integrated hip belt pockets


• Unisex ergonomic harness for both men and women


• New dual exit hydration tube exit port


• Internal hydration sleeve and drinking tube keeper loops on both shoulder straps


• Two side mesh bottle pockets accessible while wearing pack


• Full side and top compression


• New Air-mesh fabric on shoulder straps and hipbelt for less friction, more cushion and more comfort


• Rear mesh pocket great for drying gear and other gear storage


• Trekking pole hardware for storing them outside the pack


• Made of our custom 70 and 100 denier Robic nylon


• Lash loop for ice axe


• Includes a SitLight pad and a removable stay


• Updated hipbelt with stay coupler


• Recommended for loads of 30 pounds or less


•  

Not sure which backpack to choose? Compare our ultralight packs!

Need help with the sizing? Find out how to properly fit a backpack!

Pack Size (Varies greatly depending on body type and how you wear your pack)

• Small 17.25” (11.5" - 15.5" torso) (29 - 41 cm) Generally fits people 5' 6" and under

• Medium 20.25” (15.5" - 19" torso) (41 - 50 cm) Generally fits people 5'5" to 5'10"

• Large 23.25” (19.5" - 23.5" torso) (49 - 60+ cm) Generally fits people 5'11" and up

Hip Belt Size (Sold Separately)

• Small hip belt (24" - 34" waist) (61 - 81 cm)

• Medium hip belt (30" - 40" waist) (76 - 101 cm)

• Large hip belt (38" - 50" waist) (91.4 - 127 cm)

Average Weight Fully Configured (pack, belt, frame, lid and pad)

• Small : 31.7 oz / 899 g

• Medium : 33.6 oz / 954 g

• Large: 35.7 oz / 1012 g

Average Weight Components (all weights listed are for size Medium)

• Pack body:  17.7 oz / 502 g

• Pack frame: 3.0 oz /  84 g

• Sitlight pad: 2.1 oz / 60 g

• Pack lid:      2.8 oz / 80 g

• Pack belt:   7.7 oz / 218 g

Average Weight Hipbelt

• Small: 7.1 oz / 200 g
• Medium: 7.7 oz / 218 g
• Large: 8.4 oz / 236 g

Capacity (Size Medium)

• 2,354 c.i. / 40 l. total

• 1,760 c.i. / 28.84 l. in main pack body to extension collar seam

• 30 lb recommended maximum carry capacity

Dimensions (Size Medium)

• Height 20” back panel only (bottom of pack to shoulder strap attachment point)

• Width 11”

• Depth 6”

• Extension collar adds another 9” of height

Materials

• Custom 70 denier Robic ripstop nylon

• Select use of 100 denier Robic nylon for reinforcement.

• Air mesh fabric for harness lining

• Power mesh fabric pad holder

• Custom stretch mesh fabric for big back pocket