Ask any experienced camper what ruins a night outdoors faster than rain, and they'll tell you: the cold creeping up from the ground. A great sleeping bag keeps the chill off your body, but without the right mat underneath, you're fighting a losing battle against heat loss all night long. Here's why we believe you need both to actually sleep well outdoors.

Why a sleeping bag alone isn't enough

Your sleeping bag is doing a lot of work — trapping warm air, blocking wind, and giving you that cocoon of comfort after a long day on the trail. But sleeping bags are only designed to insulate from the air around you, not from the cold ground beneath you. When you lie down, the insulation under your body compresses, and cold transfers straight through from the earth. This is where a huge amount of nighttime heat loss actually happens, no matter how premium your sleeping bag is.

We stock a beautiful range of sleeping bags from Sea to Summit, including our popular Sea to Summit Spark down sleeping bag — ultralight, packable, and genuinely warm for its weight. If you're not sure which one suits your trip, we've put together a guide on what to look for in a sleeping bag before you buy.

Sleeping mats: the unsung hero of a warm night

This is where your sleeping mat earns its keep. A quality mat sits between you and the ground, providing both cushioning and insulation. Its R-value (a measure of thermal resistance) tells you how well it stops heat escaping into the earth — and pairing the right R-value mat with your sleeping bag is what actually determines how warm you'll be, especially on cold nights.

We're proud to carry two of the best mat ranges in the business: our Therm-a-Rest collection and our Exped range, alongside a broader selection of inflatable sleeping mats to suit every trip type, from weekend car camping to multi-day alpine missions. Not sure which brand fits your style of adventure? We've compared them directly in our guide, Exped vs Therm-a-Rest sleeping mats.

How your sleeping bag and mat work together

Think of it as a system, not two separate purchases. Your sleeping bag traps warm air around your body, while your mat stops that warmth being drawn straight out through the ground. Skimp on either one and the whole system underperforms — you can have the warmest sleeping bag on the market and still wake up shivering if you're lying on a thin, low R-value mat.

For most Aussie conditions, we recommend matching your mat's R-value to the season you'll be camping in most, then choosing a sleeping bag rated slightly warmer than the coldest night you expect. It's a simple approach that maximises comfort without overspending on gear you don't need.

Why shop with us at PAST Outdoors

We're a team of passionate outdoor enthusiasts who've spent years testing gear in real Australian conditions — not just reading spec sheets. We stock trusted global brands like Sea to Summit, Therm-a-Rest, and Exped because we genuinely trust them ourselves, and we back every purchase with expert advice from people who actually use this gear on their own adventures.

Thousands of campers and hikers across Australia have trusted us to kit them out for everything from weekend getaways to serious backcountry expeditions, and our customers keep coming back because we get the details right — from product selection to honest buying advice. If you're building out your sleep system, browse our sleeping bag and mat ranges today, or reach out to our team for personalised recommendations. We're here to help you sleep better, wherever the trail takes you.

Frequently asked questions