Not too hot, not too cold.

These clever cups solve the age-old problem of how to deal with hot or cold beverages out of glasses (cue the dreaded slippery condensation that gathers on the outside of a glass of iced tea, or a too-hot-to-handle cup of coffee). The double-walled design keeps your glass cool to the touch while keeping your drink insulated—and the extra-sturdy borosilicate glass is meant to take on everyday use.