Everything you need to know about sleeping bags
Actual temperatures, EN 13537 standards, warmth-to-weight ratio, maintenance — factual answers to help you choose with confidence.
All articles
77 articles
Entretien
Repairing a sleeping bag: holes, zippers, ripped seams, and leaking insulation
A hole in the fabric, a stuck zipper, or down escaping from a loose seam: these common defects can be repaired yourself in most cases, ex...
Entretien
Sleeping bag stuff sack: compression for trekking, off-season storage, and travel transport
A sleeping bag uses three different types of covers depending on the situation: a compression sack to reduce volume during trekking, a la...
Entretien
Sleeping bag liner: materials, thermal gains, and when to use one
The sleeping bag liner, also known as a travel sheet, is a multi-purpose accessory: for hygiene in mountain huts and hostels, a thermal g...
Guide d'achat
Ultra-light 500g sleeping bag: myth or reality, realistic temperatures and limitations to know
An ultra-light 500-gram sleeping bag does exist. But its realistic comfort temperatures are between 8 and 15°C, not 0°C. This guide debun...
Guide d'achat
Aegismax sleeping bag: ultralight down, GB/T 14272-2021 standard and real-world performance
Aegismax is a Chinese brand specializing exclusively in ultralight down sleeping bags. Its models use 800 to 900 fill power down certifie...
Technique
GB/T 38426-2019 standard: thermal testing protocol for Chinese sleeping bags and comparison with EN 13537 / ISO 23537-1
A GB/T 38426-2019 certified sleeping bag has undergone a laboratory test protocol using a thermal mannequin, a controlled climate chamber...
Guide d'achat
Sleeping bags and body type: women’s, plus size or petite, how to choose according to your build
Size and body shape directly influence the thermal comfort of a sleeping bag. A bag that is too large allows cold, unheated air to circul...
Guide d'achat
Lightweight sleeping bag: understanding the true trade-off between weight, warmth, and budget
"Light" means nothing without context. An ultralight 500g bag and a lightweight 900g bag have neither the same thermal performance, nor t...
Guide d'achat
Camping duvet: how to choose your sleeping bag for family and car camping
Camping with family or in a campervan does not impose the same constraints as a self-sufficient trek. Weight does not matter, comfort tak...
Guide d'achat
Hiking sleeping bag: how to choose based on the duration and distance of your trek
The ideal sleeping bag for a 3-day hike is not the same as for a 45-day long-distance trek. The duration and distance of the trek determi...
Technique
Compression sack for sleeping bag: volume savings, precautions, and technique
The compression sack reduces sleeping bag volume by 50-70% via adjustable straps, freeing up valuable space in a backpack (trekking) or b...
Température
0°C sleeping bag: 3-season versatility, usage conditions, and filling choices
A 0°C comfort sleeping bag is the most versatile choice for three-season trekking: spring, summer, and autumn in mid-mountain terrain. Do...
No time to read? Find the right bag in 4 questions.
The field guide analyzes your usage, temperature, budget, and weight priority to recommend suitable models.