The Warmth to Weight Blog
This is where I write up the real nights — what it's actually like out on the trail. The cold night on hard ground that taught me R-value the hard way. Shaving pack weight without sleeping cold. Down versus synthetic in a wet shoulder season, and quilt versus mummy on a real trip. Honest first-hand experience, never spec rehash.
Liners and Pillows That Actually Earn Their Weight
Most sleep accessories are dead weight — but a good liner and the right pillow genuinely earn their place. Here's what I carry, what I leave home, and why.
Packed Size: The Spec That Quietly Eats Your Whole Pack
Everyone obsesses over sleep-system weight and forgets packed size. But volume is what decides if it all fits — and how big a pack you carry. Here's why I check both.
Weight vs Warmth: How Light Can You Responsibly Go?
Cutting sleep-system weight feels great right up until the night you lie awake shivering. Here's how I balance grams against warmth — and where I refuse to cut.
Layering a Sleep System for Shoulder Season (Without Buying a Winter Bag)
Shoulder season is the awkward gap where your summer setup's too cold and a winter bag's overkill. Here's how I layer a 3-season system to cover the cold nights cheaply.
Air, Self-Inflating or Foam? Sleeping Pad Types (and Side Sleepers)
Air, self-inflating, or closed-cell foam? Each pad type trades warmth, weight and reliability differently. Here's how I choose — and what side sleepers really need.
Quilt vs Mummy Bag: Why I Switched, and When I'd Switch Back
I traded my mummy bag for a quilt to save weight and never really looked back. Here's the honest case for each — and the sleepers who should stick with a mummy.
Down vs Synthetic: An Honest Take After Carrying Both
Down or synthetic? I own both and carry each for different trips. Here's the honest trade-off — weight and packed size versus wet-weather reliability and price.
R-Value Explained: The Sleeping Pad Spec Beginners Ignore
R-value is the spec almost every beginner skips — and it's the one that decides whether you sleep warm. Here's what it means, in plain English, and the numbers I aim for by season.
ISO Comfort vs Limit: Why You Should Never Buy on the Limit Rating
Most bags list two temperature numbers, and beginners buy on the wrong one. Here's the difference between ISO Comfort and Limit — and why I always buy to the Comfort rating.
The Night I Froze in a 20°F Bag — Warmth Is the Bag AND the Pad
I had a bag 'rated to 20°F' and still shivered all night. The problem wasn't the bag — it was the cheap pad underneath. This is the night that started this whole site.