Nalgene

Nalgene Wide-Mouth Sustain

Name: Nalgene Wide-Mouth Sustain
Brand: Nalgene

budget

A tethered screw cap with no gasket to fail has survived decade-plus service in backcountry use. No insulation and a 63mm mouth mean fast fills but splashy on-the-move drinking.

$14 typical

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EDITION 01RESEARCHED 2026-07-203 SOURCESREFRESH DUE 2027-01

SUBSTANCE SCORES

substance7.8/ 10

design5.0/ 10

value6.8/ 10

WHY THE PRICE IS JUSTIFIED

Its value is structural rather than cosmetic: tough Tritan Renew, a very simple tethered screw cap, broad compatibility with filters, and inexpensive replacement caps. There is no insulation or elaborate lid mechanism to pay for or break.

MATERIALS

BodyTritan Renew copolyester

BPA/BPS/BPF-free, 50% certified recycled content, impact-resistant and taste-neutral.

CapPolypropylene

A simple threaded closure has few failure points and is replaceable.

CRITERIA

10/10

Leakproof Lid

Simple, gasket-free threaded cap is consistently reliable when tightened.

9/10

Cleanability

63 mm mouth and no straw or concealed lid cavities.

10/10

Durability

Independent review describes it as durable, inexpensive and lightweight for backcountry use.

1/10

Temperature Control

Single-wall bottle; it provides no insulation.

6/10

Drinkability

Very wide opening gives fast flow but needs care on the move.

9/10

Carry Weight

About 6.3 oz for one litre.

9/10

Materials/Taste

BPA/BPS-free Tritan Renew is odor- and taste-resistant.

IDEAL FOR

·Backpacking and camping
·Water-filter compatibility
·Budget-focused daily water
·Hot-water bottle use

NOT FOR

·Cold drinks all day
·One-handed driving
·Small cupholders

DESIGN & ERGONOMICS

The 63 mm mouth is superb for filling, cleaning and filters; the downside is splash-prone drinking while walking and a wide shape that misses many car cupholders.