Despite the plethora of body heat you and Helga manage to generate, nights at the Finnish Ice Hotel can get nippy. If you had it your way, you’d never leave the warmth of your mink and chinchilla blankets, though that seems insanely impractical (how would you use your ice luge?). Instead, we’d like to suggest the next best thing—The Napsack. ($130) It’s pretty much a sleeping bag you can wear, with zippers at the shoulders you can open to stick your arms out, and a cinch at the bottom you can undo to pop your legs out. It even has pockets by your hips and in the chest, so there’s plenty of storage for the other kind of nips—i.e. the tiny bottles of Smirnoff the Helga swiped from the plane.