[{"id":234528407704,"handle":"new-gear","title":"NEW GEAR","updated_at":"2026-03-11T05:06:52-06:00","body_html":"\u003ch2\u003eNewest Gear Drops for 2026.\u003c\/h2\u003e\n\u003cp\u003eCome find the latest and greatest with our all new gear additions to the Mountainsmith line-up for 2026. New Zerk UL packs and accessories for your next long trail hike? New EVO packs and accessories for really gettin' after it? New outdoor lumbar for your next adventure? Yeah, it's all here.\u003c\/p\u003e","published_at":"2021-01-06T09:02:29-07:00","sort_order":"price-desc","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Shop: NEW GEAR"}],"published_scope":"web","image":{"created_at":"2021-01-06T10:01:59-07:00","alt":null,"width":801,"height":641,"src":"\/\/mountainsmith.com\/cdn\/shop\/collections\/New_for_2020.jpg?v=1771456516"}},{"id":260899471512,"handle":"pro-discount","title":"NON DISCOUNT PRODUCTS","updated_at":"2026-03-11T05:06:52-06:00","body_html":"","published_at":"2021-03-02T07:58:45-07:00","sort_order":"price-desc","template_suffix":"","disjunctive":true,"rules":[{"column":"variant_compare_at_price","relation":"equals","condition":"0"},{"column":"is_price_reduced","relation":"is_not_set","condition":""}],"published_scope":"web"},{"id":234524246168,"handle":"parts-accessories","title":"PARTS AND ACESSORIES","updated_at":"2026-03-11T05:06:52-06:00","body_html":"\u003cp\u003eWhether you're upgrading your gear or need a replacement part, we’ve got you covered. Our extensive selection includes everything from shoulder straps and hydration bags to rain covers, tent flys, and carry bags. Designed for durability and convenience, our parts and accessories ensure you're always prepared for your next outdoor adventure. Browse our collection and find exactly what you need to keep your gear in top shape, no matter where the trail takes you.\u003c\/p\u003e","published_at":"2021-01-06T08:59:48-07:00","sort_order":"price-desc","template_suffix":"","disjunctive":true,"rules":[{"column":"tag","relation":"equals","condition":"Shop: Lumbar Accessories"},{"column":"tag","relation":"equals","condition":"Shop: Parts \u0026 Accessories"},{"column":"tag","relation":"equals","condition":"Shop: Tent Accessories"},{"column":"tag","relation":"equals","condition":"Shop: Backpack Accessories"},{"column":"tag","relation":"equals","condition":"Shop: Trekking Pole Accessories"}],"published_scope":"web"},{"id":234523721880,"handle":"products","title":"SHOP","updated_at":"2026-03-11T05:06:52-06:00","body_html":"\u003ch2\u003eThe entire Mountainsmith product line—A to Z.\u003c\/h2\u003e\n\u003cp\u003ePlease choose a product type from the menu on the left to narrow down your selection.\u003c\/p\u003e","published_at":"2021-01-17T11:44:24-07:00","sort_order":"alpha-asc","template_suffix":"","disjunctive":false,"rules":[{"column":"variant_price","relation":"greater_than","condition":"1"},{"column":"variant_inventory","relation":"greater_than","condition":"1"}],"published_scope":"web","image":{"created_at":"2021-01-17T11:41:41-07:00","alt":null,"width":2000,"height":797,"src":"\/\/mountainsmith.com\/cdn\/shop\/collections\/Shop_Category_Image_1-17-2021.jpg?v=1610908902"}},{"id":204574720152,"handle":"all","title":"SHOP MOUNTAINSMITH","updated_at":"2026-03-11T05:06:52-06:00","body_html":"\u003ch2\u003eGolden, Colorado—Since 1979\u003c\/h2\u003e\n\u003cp\u003eMountainsmith was founded on the need to build durable gear that could withstand the rigors of extended trips into the Rocky Mountain backcountry. This unwavering spirit, drive, and determination continues to fuel our mission today. We dedicate ourselves to designing, testing, and refining outdoor gear that genuinely ‘\u003cstrong\u003eGoes Where You Go\u003c\/strong\u003e’. Join our diverse community of weekend warriors, global adventurers, outdoor professionals, and everyone in between, united by a shared passion for outdoor exploration and embracing life on the trail. \u003c\/p\u003e","published_at":"2020-07-01T13:47:23-06:00","sort_order":"best-selling","template_suffix":"","disjunctive":true,"rules":[{"column":"variant_price","relation":"greater_than","condition":"1"},{"column":"variant_inventory","relation":"greater_than","condition":"1"}],"published_scope":"web"},{"id":435561464041,"handle":"zerk-series","updated_at":"2026-03-11T05:06:52-06:00","published_at":"2024-06-25T13:42:41-06:00","sort_order":"manual","template_suffix":"","published_scope":"web","title":"ZERK SERIES","body_html":"","image":{"created_at":"2025-03-04T13:17:38-07:00","alt":null,"width":2240,"height":1260,"src":"\/\/mountainsmith.com\/cdn\/shop\/collections\/AZ_Trail_Blog_Banner.png?v=1771456938"}}]
["Backpacks: Backpack Accessories","Backpacks: Zerk Series","Inline","Shop","Shop: ALL NEW GEAR","Shop: Backpack Accessories","Shop: NEW GEAR","Shop: Ultralight Backpacks"]
NEW FOR 2026! The ultralight 7L Zerk Toplid comes in handy in turning your existing roll-top Zerk pack into a top loader with a lid! Your new go-to stash location for keys, wallet, toiletries, headlamps, snacks and all the other small luxuries. Yeah, it might not make you faster and lighter, but it definitely makes life better on the trail.
The Zerk 7L Toplid—For when ultralight needs to be ultra convenient.
Not everyone can fast-hike like the Hiking Viking, so when your hike calls for that little extra bit of gear or increased organization options, the 7L Zerk Toplid comes in handy and turns your roll top UL Zerk pack into a top loader with a lid! Your go-to stash location for keys, wallet, toiletries, headlamps, snacks and all the other small luxuries. Compatible with the new Zerk 20, Zerk 40* and Zerk 55 models (not included) and retro-fit to work with previous versions of the Zerk 40 (2018 thru 2025). Makes life better on the trail and Mountainsmith Staff Approved!
*Zerk 40 is shown with Zerk 7L Toplid in above product photos.
FEATURES
UL Top lid accessory for Zerk Series backpacks (20L / 40L / 55L) extending carrying capacity and improved organization for longer trips and
Attaches to select Zerk backpacks with Gatekeeper hardware (Rear) and girth-hitched SR buckle straps (Front)
Zippered main pocket w/ accessory zippered mesh map pocket underneath
CALIFORNIA WARNING: Cancer and Reproductive Harm | www.P65Warnings.ca.gov