Ultralight Alpine/Four-Season Tent
SlingFin Hotbox
$650, 3 lbs. 9 oz.
slingfin.com
Through three cold December nights camped at over 8,000 feet in Idaho’s Boulder Mountains, snow fell hard enough that I had to dig this tent out a few times. All that cold, white smoke was great for two reasons: the backcountry skiing my kids and I did—and testing the Hotbox, SlingFin’s answer to the challenge of creating a lightweight tent built for alpine climbing and other four-season adventures.