Add to favorites
Mountainsmith Zerk Ultralight Hiking Backpack, 25 Liter, Black by Mountainsmith - Used condition

Mountainsmith Zerk Ultralight Hiking Backpack, 25 Liter, Black

Brand: Mountainsmith

Condition: Used
$8083
$9495
-15% Save $1412
Updated: 2 days ago

Description

FUNCTION-FIRST: An ultralight hiking backpack for thru-hiking and other outdoor activities. 1.7 lbs. empty weight, 20” x 12” x 9”, optimal carry weight up to 20 lbs.

STORAGE: Large main compartment holds up to 23 liters of gear. Large side water bottle pockets with angled openings to easily remove and insert items while on the go. Expansive front mesh pocket for hauling bulky gear. Large mesh side stash pockets with angled opening for easy reach.

PRACTICAL: Lid top closure with side compression SR buckles. Front SR buckle closure. Reflective screen printing and cord loops for low light visibility. Front cord loops can be configured with bungee cord (included).

COMFORT: 1.5” removable waistbelt. Waistbelt max 48". Torso range 16" - 19". Side compression straps for securing load throughout entire pack. Removable interior laser cut frame sheet (EVA Atilon) allows for rigidity and airflow.

FORGED FOR LIFE: All Mountainsmith packs and gear are known for their quality and are built to last. Co-designed with The Real Hiking Viking, a renowned thru-hiker with thousands of hiking miles under his belt, the ZERK 25 pack stands alone as the ideal combination of weight, durability, comfort, and accessibility.

For shorter missions and day hikes, this 25L version of the Zerk is loaded with all the features of the Zerk 40 with the addition of a top pocket/hood. Developed in collaboration with The Real Hiking Viking to tackle the toughest terrain, this pack is made with ultra light and durable materials. this pack will be your go-to for fast and light outings.

Sold by

Amazon Warehouse

Verified Retailer

Official Amazon outlet for open-box & returned items

  • Backed by Amazon's A-to-Z Guarantee
  • 30-day return policy
  • Ships from Amazon fulfillment centers
  • Price verified on Amazon

Product Details

SKU:
awhd-us-b0cv64ndys
Model:
Mountainsmith
Country:
US
ASIN:
B0CV64NDYS
UPC:
757894333164

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?
Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $14 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.
What's the difference between open-box and refurbished?
Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.
Why use OpenBoxFox?
Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Mountainsmith products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.
Is it safe to buy refurbished?
Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.

Sign in to save items

Save favorites and get alerts when prices drop.

or

Already have an account?