Rest Easy

Outside Magazine|Summer Buyers' Guide 2020

Rest Easy
Comfortable, technical, light— sleep systems for every season
STEPHANIE PEARSON AND RYAN STUART

Sea to Summit Ascent AcII $399

We’ve seen the trend in jackets and tents, and now it’s come for sleeping bags: weight savings, warmth, and comfort are no longer at odds. Sea to Summit loaded its Ascent AcII with niceties, like an oversize shape that accommodates all sleeping positions and three zippered openings— full-length on one side, half-length on the other, plus a slit around the footbox—to regulate temperature. It boasts 19.4 ounces of 750-fill down, with a mix of vertical and horizontal baffles that keep the insulation in place and prevent cold spots, and a large draft collar to lock in heat. The result is a no-compromise sleeping bag that weighs just 2.4 pounds. “It’s much roomier than most light bags, but still toasty warm,” said one tester. On a backpacking trip in British Columbia’s Chilcotin, we found it true to the 15-degree temperature rating, but the easy venting system meant we slept great at 60 degrees. That’s an impressive range, especially for such a feathery bag. Sure, there are cozier options. But we have yet to find a worthier bag for three-season use. 2.4 lbs

BEST IN SUMMER

Mammut Relax Down bag $320

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Summer Buyers' Guide 2020