The Review Smiths
CRUSHMETRIC Tumbler Matte CRUSHMETRIC Tumbler Matte
4.5
CRUSHMETRIC Tumbler Matte 4.5

It’s easy to forget in this line of work that some products can be designed with beauty at the very heart of things, so often function comes before form but not with the CRUSHMETRIC tumbler in matte black. This striking 475ml flask features a low reflective surface gives it a refined and understated look to begin with, just a regular if not slightly premium drinking bottle. It has a frosted black lid and matching silicone seal which add to its sophisticated aesthetic.

The magic happens however when this bottle is opened, the wonderfully clever design morphs from a smooth tube into a textured diamond pattern when the lid is opened, and it snaps back when closed. This transformation isn’t just visual flair. It provides better grip when drinking and makes it easy to tell whether the lid is securely shut. It is really quite impressive, if you have seen the videos, it could easily be mistake for AI.

Inside, it has a standard double-walled stainless-steel construction, this enables it to keep hot drinks hot and cold ones cold, ideal for coffee commutes or long hikes. Even the feel and the sound of it is super satisfying. It comes with a thoughtful drawstring tote and certificate of authenticity included in the package. It reinforces the idea that this is more than just a travel flask, it’s a piece of art.

Some may wonder whether the novelty outweighs the cost when simple double-walled bottles are available for less, I also have questions over the longevity, how many times can it transform before leaving noticeable makes of the outer body?

The CRUSHMETRIC matte black tumbler is a beautifully engineered, stylish travel companion. Its transformative design, premium materials, and satisfying tactile details set it apart. It is slightly pricey, but if you or someone you know appreciates design-led objects, it’s a lovely upgrade or gift. RRP £45

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The CRUSHMETRIC Matte Black Tumbler is a stylish, well-built travel mug with a unique shape-shifting design. It keeps drinks hot or cold and feels premium, though it comes at a higher price and is best suited for those who value design.
  • Unique shape-shifting design that adds grip and visual interest
  • Double-walled stainless steel keeps drinks hot or cold
  • Lid seals well, leak proof
  • Comes with a drawstring tote and certificate of authenticity
  • Satisfying feel and sound when opening and closing
  • Higher price compared to standard tumblers
  • Transformation feature is more aesthetic than functional
  • Not dishwasher safe
  • Limited capacity compared to larger travel mugs