Montbell Thermo Mug 330

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The Montbell Thermo Mug 330 is lightweight, durable, and highly efficient. It is an excellent companion for both everyday use and outdoor trips.

Montbell says: 

A light weight double walled mug with superior insulating properties to keep beverages hot or cold. Maintains high insulation by filling the double walls with insulating foams and has a tight sealing flip top closure with a handle on the side.

(Unfortunately, we are unable to ship MontBell products outside of the UK)

Our Verdict

Weighing just 220 grams, this double-walled mug combines practicality with superior insulation, keeping drinks hot or cold. The insulating foam and the tight-sealing lid keep drinks warm, even in freezing weather. The 330ml capacity is ideal for tea on a frosty morning walk. The flip-top closure prevents spills, though care must be taken to hand wash the mug, as it’s not dishwasher—or microwave-safe.

While it may not be the lightest, the Montbell Thermo Mug 330’s thoughtful design, durability, and thermal performance make it a standout choice; it is a small yet indispensable luxury, especially in the winter months.

– Reviewed by Ultralight Outdoor Gear

Features

• Capacity: 330ml
• Heat / cold resistance – 
  Main: 100°C / -20°C, cap: 100°C / -20°C, seal: 180°C / -60°C

Specifications

• Weighs: 228g
• Size: One size fits most (54 – 60 cm)

Material & Construction

• Body: polypropylene
• Insulation materials: foam resin
• rubber seal: silicone
• cover: polypropylene+TPE(Thermoplastic Elastomers)
• Do NOT wash in a dishwasher
• Do NOT microwave

Help & advice:

• About Montbell