{"product_id":"mountainsmith-zerk-ultralight-25l-hiking-backpack-cyan-blue","title":"Mountainsmith Zerk Ultralight 25L Hiking Backpack — Cyan Blue","description":"\u003ch2\u003eMeet the Mountainsmith Zerk Ultralight 25L\u003c\/h2\u003e\n\u003cp\u003eThe Zerk 25L is built for hikers who value weight savings without sacrificing essential capacity. At 1.7 lbs when empty and compact at 20” x 12” x 9”, it aims to keep you moving with up to 20 lbs of load while staying close to your back. Its 23-liter main compartment, plus smart storage pockets, helps you organize gear for quick access on the move. The large side water bottle pockets with angled openings are designed for one-handed reach, while the expansive front mesh pocket invites bulky items to ride along without crowding the core space.\u003c\/p\u003e\n\n\u003ch2\u003eWhy it fits thru-hikes and day adventures\u003c\/h2\u003e\n\u003cp\u003eCrafted with the realities of long days on the trail in mind, the Zerk 25L balances weight, durability, and accessibility. Reflective screen printing and cord loops improve visibility in low light, and the front cord loops can be configured with the included bungee cord for adaptable carry options. The lid closure with side compression SR buckles and a front SR buckle closure provide reliable securing points that stay put as you move.\u003c\/p\u003e\n\n\u003ch2\u003eStorage and organization\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge main compartment holds up to 23 liters of gear for a compact, efficient packing setup.\u003c\/li\u003e\n  \u003cli\u003eSide water bottle pockets with angled openings enable easy removal and insertion while walking.\u003c\/li\u003e\n  \u003cli\u003eExpansive front mesh pocket is ideal for bulky items like a jacket or layers you grab frequently.\u003c\/li\u003e\n  \u003cli\u003eLarge mesh side stash pockets offer quick access to small essentials without slowing you down.\u003c\/li\u003e\n  \u003cli\u003eReflective details and cord loops enhance visibility and customization for low-light runs or early starts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eComfort, fit, and durability\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1.5” removable waistbelt and adjustable torso range (16\"–19\") support a personalized fit and stability.\u003c\/li\u003e\n  \u003cli\u003eSide compression straps help secure the load along the torso for better balance on uneven terrain.\u003c\/li\u003e\n  \u003cli\u003eRemovable interior laser-cut frame sheet (EVA Atilon) adds stiffness for shape retention and airflow behind the pack.\u003c\/li\u003e\n  \u003cli\u003eCo-designed with The Real Hiking Viking, the Zerk 25 aims to merge weight savings with practical features and proven durability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eOn the trail\u003c\/h2\u003e\n\u003cp\u003eExpect a nimble option for ultralight hikers, quick day trips, or adventurous overnighters where every ounce counts. The layout supports a simple, efficient workflow: grab essentials from accessible pockets, adjust the fit on the fly, and move with a balanced, comfortable carry. It’s a practical companion for hikers who value a streamlined setup with room to grow into longer adventures.\u003c\/p\u003e\n\n\u003ch2\u003eQuality you can count on\u003c\/h2\u003e\n\u003cp\u003eMountainsmith packs are known for durability and thoughtful design. The Zerk 25L embodies that philosophy with a layout designed for reliability, everyday rugged use, and long-term performance on the trail. While outcomes depend on your pace and terrain, the combination of light weight, organized storage, and adjustable fit makes it a credible option for hikers seeking efficiency and comfort.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What makes the Mountainsmith Zerk 25L suitable for thru-hikes?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Its 1.7 lb empty weight, 23L main capacity, and adjustable torso offer ultralight versatility for long days on the trail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How does the Zerk 25L support comfort during extended treks?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A removable 1.5-inch waistbelt, load-stabilizing straps, and a breathable frame sheet balance comfort, stability, and airflow.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mountainsmith","offers":[{"title":"Default Title","offer_id":41897692069968,"sku":"B0CV651PH9","price":390.16,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/9645\/8576\/files\/mountainsmith-zerk-25l-backpack-front-view-cyan.jpg?v=1765549458","url":"https:\/\/canadawildco.com\/products\/mountainsmith-zerk-ultralight-25l-hiking-backpack-cyan-blue","provider":"Canada WildCo. | Hunting Gear, Fishing Equipment \u0026 Outdoor Essentials for the Canadian Wild","version":"1.0","type":"link"}