Nalgene | Wide Mouth Loop-Top Replacement Cap (63mm lid)

Extend the Life of Your Everyday Companion

A good water bottle becomes a fixture of your daily routine. It rides shotgun on your morning commute, sits on your desk through long meetings, gets tossed into a gym bag, and joins you for quiet weekend walks on local singletrack. Over years of constant service, it is easy for a cap to go missing at a campsite or finally show its age. Because the bottle body itself is virtually indestructible, you don't need a whole new setup. The Nalgene Wide Mouth Loop-Top Replacement Cap lets you restore your trusted daily driver to full factory spec, keeping your gear in play and out of the landfill.

Absolute Leakproof Confidence from the Desk to the Trail

When you are sliding your bottle into a backpack next to a laptop or dropping it onto the car seat, you need complete peace of mind that it won't weep a single drop. Engineered with Nalgene's classic, heavy-duty threads, this replacement cap creates an airtight, definitive seal. The iconic integrated loop is built for active life on the move, making it effortless to hook with a single finger when your hands are full, pull out of a deep pack payload, or clip securely to a bag with a carabiner during a weekend fastpack.

Simple, Gimmick-Free Design Built to Last

This is a piece of gear that earns its keep by simply doing its job without any fuss. There are no complicated valves to clog or hidden springs to break. It is built tough to handle concrete drops, parking lot tumbles, and everyday workplace abuse. To keep the threads perfectly aligned and the seal operating at peak performance for years to come, remember to slip the cap off and hand-wash it quickly, even if you are tossing the bottle body into the top rack of the dishwasher.

Premium Performance & Everyday Features

• Universal 63mm Fit: Pairs perfectly with all standard 32oz and 48oz wide-mouth Nalgene bottles.
• Definitive Leakproof Seal: Continuous semi-buttressed threads ensure a dry carry inside commuter packs and hiking kits.
• Integrated Carry Loop: Designed for effortless grab-and-go handling or quick clipping to straps and harnesses.
• Sustainable Restoration: Refreshes an existing bottle, maximizing the lifespan of your gear and reducing unnecessary waste.
• Low-Maintenance Care: Simple, durable construction that cleans up quickly with a basic hand wash.