
Sea to Summit Horizon Insulated Mug 475 ml
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Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Sea to Summit Horizon is a 475 ml insulated travel mug built from polypropylene and fiberglass, with a polyester-lined lid. It is designed for campers and commuters who want a mug that stacks, seals and survives a dishwasher. At about 4.1 oz it is light for an insulated mug, though the plastic build trades heat retention for weight. Owners like the leak-proof lid and stackability; some find it keeps drinks warm for shorter stretches than steel rivals.
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Lowest price we've seen: $16.95 on Nov 13 at Backcountry. Tracked across 1 store since Nov 13.
Owners praise the Horizon for its low weight, secure lid and stackability on trips. Some say it keeps coffee warm for a shorter time than insulated steel mugs and that the lid takes care to clean.
The Horizon Insulated Mug from Sea to Summit holds 475 ml. It is a travel mug made from polypropylene, plastic, fiberglass and polyester.
The mug is leak-proof and stackable. It is BPA-free and dishwasher safe.