Patagonia
Patagonia Nano Puff Jacket (men's, no hood)
- Warmth: 5/10 How warm it keeps you standing still at camp.
- Weight: 8/10 How much it adds to your pack.
Cool spring and autumn evenings as an extra layer
- Weight
- 369 g (M)
- Insulation
- Synthetic
- Hood
- No
Where to buy
Cotswold Outdoor £135.89 In stock. Free delivery. Free delivery over £125. Price varies by colour (£118 for one colour that is out of stock in size M).
View at shop: Cotswold OutdoorPatagonia UK £170 In stock. Free delivery. Free delivery over £90.
View at shop: Patagonia UKPrices checked 2 Nov 2026 on each shop's own page; shops can change them. We earn no commission on these links; shops are listed by price. More
Our ratings (out of 10)
1 to 10, compared with the whole market. Each says what it's based on. How we score
Warmth
Estimate from maker's specs: insulation weight (g/m²) 5/10How warm it keeps you standing still at camp. 5: Does the job. Average for wild-camping gear.
Estimate from maker's specs
Weight
From maker's figures 8/10How much it adds to your pack. 8: Clearly better than most.
Patagonia lists 369 g for the 2025 jacket, in the 350-449 g band. Older reviews quote 337 g for the earlier jacket in size M.
In short
Good for
- Cool spring and autumn evenings as an extra layer
- Under a shell on mild hill days
- Light spare layer that still warms when damp
Strengths
- Synthetic insulation keeps most of its warmth when damp and dries quickly
- Light at 369 g and PFAS-free
- Recycled shell, lining and insulation
Weaknesses
- Light layer only: 60 g/m2 of insulation and no hood
- No hood in this version
- Thin 20D shell, so snags and abrasion are more likely than with a tougher fabric
- No packed size published by Patagonia
- Heavier and bulkier than a down jacket of the same warmth
Sources
We haven't tested this ourselves. Every score comes from these specs, tests and reviews.