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Food Reviews

Gear Review: Sea to Summit X-Mug

A coffee cup that packs flat

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Jettison the bulky insulated cup. Sea To Summit’s X-Mug, a pint-size vessel made of flexible silicone, collapses into a flat, four-inch by half-inch circle that takes up virtually no pack space. $11; 2.4 oz.; seatosummit.com