特に注目したいのは「真空断熱構造」を採用したモデルだ。この構造は、2層の間に真空の層を作ることで、外気の影響をシャットアウトする仕組みである。内側の熱や冷気を逃さないため、長時間にわたって温かさや冷たさを保つ性能が優れている。

The RTIC Travel Mug has everything you could want in an insulated coffee mug while still being affordable. The design is sleek and slim and has a high handle, so it fits in most cup holders.

To create a gauge for how good an insulated cup really is, Michael decided to ... to want to drink below 50°C” for most tea and coffee drinkers. For the ceramic mug, it takes 5 minutes to ...

The fact it's able to keep water ice-cold for hours (and coffee piping hot ... cold for 24 hours (although it will in this vacuum-insulated cup), but the real sell of the Kids Wide Mouth comes ...

Frank green's revolutionary ceramic lined stainless steel collection is triple-walled with vacuum-insulation for ultimate on the go drinking. 10oz/295ml Reusable Cup - Ultimate Ceramic inner layer and ...