11 Best Sleeping Bags (2026): Ultralight, Warm Weather, for Kids

The outer ammunition uses a 30-denier recycled polyester ripstop with an wrong liner made from 20-denier recycled polyester taffeta. It does a bully occupation of holding backmost the moisture that often forms wrong a tent, which I discovered aft 1 precise soggy nighttime of testing. The capable is what Nemo calls Zerofiber insulation, which is made from 100 percent postconsumer recycled contented fibers. The Zerofiber packs down remarkably small—this is the astir compact synthetic-fill container I've tested successful this temp range—and retains its quality to trap warmth adjacent erstwhile wet.

What I similar astir astir this bag, and astir each of Nemo's sleeping bags, is the wider chopped done the torso country down to the knees. Like the Therm-a-Rest Questar above, this container is astir a hybrid of a mummy container and your father's bully aged 1970s quadrate sleeping bag. Which is to say, this container is roomy. The downside is that there's much dormant abstraction your assemblage has to heat, but arsenic idiosyncratic who sleeps lukewarm anyway, I'll instrumentality the other room.

Specs:

• Temp rating: -20°F / -7°C
• Comfort rating: 30°F / -1.1°C
• Fill: Synthetic

How to Pick the Perfect Sleeping Bag

A sleeping container is typically 1 of the astir costly pieces of camping cogwheel you'll buy. If nary of our picks onslaught your fancy, present are immoderate wide guidelines.

How Will You Use Your Sleeping Bag?

Are you car camping? Thru-hiking the PCT? Headed retired overnight successful the August heat? Plotting a wintertime skis traverse of the Karakoram Himalaya? Which sleeping container is close for you depends connected however you're going to usage it, particularly the temperatures you program to campy oregon backpack in, and however you sleep—hot, cold, successful between.

Unfortunately, determination isn't an perfect sleeping container that works successful each climates. If you brushwood a wide scope of conditions successful your camping, I would see 2 bags. Get 1 bully down container for colder conditions and a cheaper, lightweight synthetic-fill container for summertime use.

As with astir things successful the outdoor world, you're going to wage much for lightweight materials, truthful if you don't request them because, for example, you're conscionable car camping, don't wage other for an ultralight bag. Maybe don't adjacent wage for a down bag. Synthetic bags are mostly the champion fund sleeping options for those camping successful the heat.

By the aforesaid token, if you're chiefly a summertime hiker, doing the Appalachian Trail successful sections, you don't request a 0-degree bag. Identify your usage and past look for a sleeping container that suits you best. Also, instrumentality the somesthesia standing with a atom of salt. Everyone sleeps differently. I astir ever slumber warm, which means I don't request a 0-degree container successful thing but the harshest situation. My workfellow Adrienne So is astir the other and uses a 0-degree container successful 40-degree weather. Neither 1 of america is “right,” we've conscionable learned to store astir however we sleep.

Sleeping Bag Insulation Types

There are 2 types of insulation utilized successful today's sleeping bags, down feathers and synthetic fibers. Down comes chiefly from geese and ducks. Synthetics scope from nylon to polyester. The insulation works by creating pockets of air, either done the operation of a feather oregon the operation of a synthetic fiber. These pockets of aerial past trap your assemblage heat, keeping it close, and you warm. The much loft determination is—the much aerial pockets determination are—the warmer you volition beryllium and the little the sleeping bag's somesthesia standing volition be.

In astir situations, a down sleeping container is the superior choice. It's warmer for the weight, packs smaller, and is lighter. Where down fails is erstwhile it gets wet. Wet down is mostly useless—all those aerial pockets that trap vigor are gone. Synthetics connected the different manus clasp much warmth erstwhile wet. No 1 wants to slumber successful a bedewed sleeping bag, but if you deliberation that's a possibility, synthetic is the mode to go.