Nalgene Wide Mouth Round Bottle (HDPE) Review

Overview

The Nalgene Wide Mouth Round Bottle has been a trail fixture since the 1970s, and the HDPE version (article 0760) is the lighter, BPA-free evolution of that classic. Available in sizes from 30ml all the way up to 1000ml, it functions as much more than a water bottle — depending on which size you reach for, you might be carrying water, alcohol stove fuel, cooking oil, spices, or a stash of trail snacks. It’s aimed at backpackers and outdoor enthusiasts who want a no-nonsense, bombproof container that earns its keep across a wide range of camp kitchen and hydration tasks.

Key Specs

Spec	Detail
Weight	25g (varies by size)
Available Sizes	30ml – 1000ml
Material	HDPE (High-Density Polyethylene)
BPA-Free	Yes
Closure	Leakproof screw cap
Opacity	Translucent white
Dishwasher Safe	Yes
Article Number	0760
Comparison	See how Wide Mouth Round Bottle compares to similar gear

Performance

Weight & Material

The headline advantage of HDPE over Nalgene’s clear Tritan copolyester bottles is weight. The Ultralite HDPE line is up to 40% lighter than the clear Nalgene equivalents. At 25g for the smaller sizes, this checks out — the difference is meaningful across a multi-day carry. The HDPE version is around 50% lighter than the Tritan equivalent at the 16oz size, and is arguably more impact-resistant too. That’s a real-world benefit: HDPE is a softer, more flexible plastic, so it’s less likely to crack if dropped on a rock.

For serious gram-counters, though, the comparison that matters is against a disposable SmartWater or Smartflex bottle. At around 3.5 oz / 100g for the 1L size, the HDPE Nalgene weighs roughly twice as much as a narrow-mouth Smartwater bottle at about 1 oz / 28g. That gap is hard to ignore if water carrying is all you need. Where the Nalgene earns back those grams is in versatility.

Versatility

This is where the product line genuinely shines. You can use a 30ml for a favourite chilli sauce or a 250ml for alcohol stove fuel — all while knowing it won’t leak through your kit. Smaller sizes are well-suited for cooking oil, condiments, and dry goods. On the water side, the wide-mouth bottle has proven itself as a trail staple for carrying water, doubling as a coffee cup in the mornings, and providing overflow capacity on long water carries.

The wide mouth also makes it easier to scoop water from smaller or low-flow sources, which can be useful when streams are shallow or water sources are more of a trickle in desert settings.

Filter Compatibility

The bottle fits most filtration units. SteriPen users will appreciate the wide opening — it’s genuinely easier to submerge the UV wand than in a narrow-mouth bottle. Sawyer Squeeze users should note that the Nalgene threads don’t mate directly to the Sawyer’s standard threading, so gravity filtering straight from the bottle isn’t as clean a setup as it is with a dedicated soft flask.

Leakproofing & Durability

Continuous, straight-shouldered semi-buttress threads keep the bottle sealed tight.

In practice, this design has been field-tested for decades without meaningful complaints. Users routinely report bottles lasting years of daily use.

Bottles that have been through a lot are still going strong years later.

Hot Liquids

This is a point worth flagging clearly. HDPE is rated to handle temperatures up to 120°C, but pouring boiling hot water into a smaller HDPE bottle can cause it to deform slightly. For winter camping, some users fill these with hot water and place them inside their sleeping bags for extra warmth, but use caution with smaller, thinner-walled sizes. There can be a taste issue with boiling water in HDPE — if you brew tea or coffee in it, the flavor may be slightly off. The clear Tritan bottles handle this better, at the cost of extra weight.

Break-In Period

New bottles can have a mild plastic odor or taste. Water stored in them for too long when the bottles are new can start to taste slightly like plastic; this mostly goes away after a few washes. Run a few dishwasher cycles or hand-wash with baking soda before a long trip and you’ll have no issues.

Fit in Pack Pockets

The bottle’s size and shape make it easy to carry — it fits in most backpack side pockets designed for water bottles, as well as larger exterior pockets.

The 1000ml (32oz) version is a slightly snug fit in some ultralight packs with narrower side pockets, worth checking before committing to that size.

Pros & Cons

Pros

• Significantly lighter than Nalgene’s clear Tritan/polycarbonate bottles
• Wide size range (30ml–1000ml) covers almost every camp kitchen need
• Genuinely leakproof screw cap — proven across decades of use
• BPA-free HDPE with an excellent long-term safety record
• Dishwasher safe and easy to clean
• Durable and impact-resistant; more forgiving than rigid polycarbonate if dropped
• Affordable — one of the lowest cost-per-gram options in the category

Cons

• Heavier than disposable soft bottles (Smartwater, CNOC, etc.) for pure water carrying
• Mild plastic taste when new; needs a break-in period
• Not ideal for very hot liquids — flavor can be affected, deformation possible in thin-walled sizes
• Translucent white (not fully transparent) makes it harder to read exact fill level
• Does not thread directly onto Sawyer Squeeze filters

Who Should Buy This

This bottle makes the most sense for backpackers who want one system that does several things — water, hot beverages, fuel, condiments — without carrying a constellation of specialty containers. It’s also a natural fit for cold-weather use, where having a sealable, reasonably heat-tolerant bottle to stuff in your sleeping bag overnight is worth the extra grams over a soft flask. If you’re chasing minimum base weight on a summer thru-hike with reliable water sources, a Smartwater bottle will serve you better. But if versatility and durability matter as much as raw weight, this range is hard to beat for the price.

Verdict

The Nalgene HDPE Wide Mouth Round Bottle is not a flashy piece of gear, and it doesn’t need to be — it’s been quietly doing its job since the 1970s. The wide size range and leakproof reliability make it genuinely useful across the whole range of camp kitchen and hydration needs. It’s not the lightest rigid bottle, and dedicated soft bottles will edge it out on grams if water carrying is all you need. But at this price point, with this track record, it earns a permanent spot in the kit as a multi-purpose workhorse.