The soft outer material isn't just nice to hold, it's dent-proof so this doesn't end up taking a bashing like their bottles. Hydro Flask 12 oz Insulated Coffee Mug: the bottom line ...

Given the Insulated Flask’s compact 9 x 2-in (23 x 5-cm) size and manageable 9.6-oz (272-g) weight, it’s ready to explore backcountry via foot, bicycle, canoe or other lightweight modes of travel.