{"product_id":"mountainsmith-zerk-ultralight-25l-backpack-black-lightweight-trail-pack-for-thru-hiking","title":"Mountainsmith Zerk Ultralight 25L Backpack – Black | Lightweight Trail Pack for Thru-Hiking","description":"\u003ch2\u003eMeet Zerk: Mountainsmith Ultralight 25L Backpack\u003c\/h2\u003e\n\u003cp\u003eThe Zerk is built for thru-hiking and fast-paced days on the trail, delivering a minimal footprint without compromising essential storage. It weighs about 1.7 pounds when empty and features a main compartment that holds up to 23 liters of gear, inviting you to move lighter and stay prepared for changing terrain.\u003c\/p\u003e\n\u003cp\u003eFrom the first mile, you’ll notice a compact silhouette, intuitive organization, and roomy pockets that keep pieces within reach as you travel across varied terrain. The design emphasizes practical access and a balanced load for longer climbs or quick day trips alike.\u003c\/p\u003e\n\n\u003ch3\u003eLightweight, but capable\u003c\/h3\u003e\n\u003cp\u003eWith a total 25-liter footprint, Zerk balances weight and capacity for a range of adventures. It supports comfortable carry up to roughly 20 pounds of gear, depending on your setup, while maintaining a slim profile on narrow switchbacks and rocky paths.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLong main compartment holds a substantial amount of gear without feeling bulky.\u003c\/li\u003e\n  \u003cli\u003eLarge side water bottle pockets with angled openings simplify reloading while moving.\u003c\/li\u003e\n  \u003cli\u003eExpansive front mesh pocket is ideal for bulky items like a rain shell or maps.\u003c\/li\u003e\n  \u003cli\u003eLarge mesh side stash pockets keep small items easily accessible.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eStretch your comfort, not your pack weight\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemovable 1.5-inch waistbelt for a personalized, stable fit.\u003c\/li\u003e\n  \u003cli\u003eTorso range adjustable from 16 to 19 inches for diverse body heights.\u003c\/li\u003e\n  \u003cli\u003eRemovable interior frame sheet (EVA Atilon) adds rigidity and promotes airflow against the back.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDurable, practical design you can rely on\u003c\/h3\u003e\n\u003cp\u003eCo-designed with The Real Hiking Viking, the Zerk is built for rugged trails and variable conditions. Details like a lid closure with SR buckles, reflective screen printing for low-light visibility, and cord loops for optional bungee configuration help you stay confident and prepared on the move.\u003c\/p\u003e\n\n\u003ch3\u003eReal-life use cases\u003c\/h3\u003e\n\u003cp\u003eWhether planning a multi-day trek, a through-hike, or a quick overnight, Zerk adapts to your pace. Its organized storage, weight-conscious design, and comfort features support flexibility on damp mornings, bright afternoons, and everything in between. The goal is a lighter carry that still delivers dependable practicality on the trail.\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 is the carry capacity of the Mountainsmith Zerk 25L backpack?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for up to about 20 pounds of gear in a 23L main compartment with organized pockets.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the Zerk suitable for thru-hiking or day trips?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Its ultralight build, adjustable torso, and removable waistbelt support long days on trails or quick overnighters.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Mountainsmith","offers":[{"title":"Default Title","offer_id":42319077769296,"sku":"B0CV64NDYS","price":205.54,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0585\/9645\/8576\/files\/mountainsmith-zerk-ultralight-front-view.jpg?v=1777637095","url":"https:\/\/canadawildco.com\/products\/mountainsmith-zerk-ultralight-25l-backpack-black-lightweight-trail-pack-for-thru-hiking","provider":"Canada WildCo. | Hunting Gear, Fishing Equipment \u0026 Outdoor Essentials for the Canadian Wild","version":"1.0","type":"link"}