Mammut
Mammut Ducan FL Longsleeve Men (1016-02060)
- Weight: 9/10 How much it adds to your pack.
- Warmth: 3/10 How much the fabric insulates next to your skin. Heavier fabric is warmer and slower to dry.
Fast, sweaty days: scrambling, climbing approaches, summer hillwalking and trail running
- Weight
- 150 g (not stated)
- Fabric weight
- Not published
- Fibre
- Synthetic
- Merino
- 0%
Where to buy
Alpinetrek £43.96 In stock. Delivery £4.49. Black, size M in stock; Marine and Glacier Blue £47.45, Mammut Red £46.45. Page shows an original price of £49.95. Free delivery from £85, £4.49 under £85.
View at shop: AlpinetrekMammut £50 In stock. Delivery £5. Black, size M in stock (5 left on the page); Page quotes 8–10 business days for delivery.
View at shop: MammutPrices checked 2 Nov 2026 to 8 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
Weight
From maker's figures 9/10How much it adds to your pack. 9: Among the best you can buy for this.
Mammut's UK page gives 150 g with no size. 150 g is under 160 g, the 5 band. Alpinetrek gives the same 150 g and says it is for size M, but that is the shop's wording, not Mammut's.
Warmth
Estimate from maker's specs: fibre (no fabric weight published) 3/10How much the fabric insulates next to your skin. Heavier fabric is warmer and slower to dry. 3: Below average. Fine for some trips, not others.
Estimate from maker's specs
In short
Good for
- Fast, sweaty days: scrambling, climbing approaches, summer hillwalking and trail running
- Multi-day trips where a light polyester top is washed and dried overnight
Strengths
- 150 g, light for a long-sleeve top
- 100% recycled polyester with a bio-based HeiQ Fresh odour treatment
- Quick drying, per Mammut, which rates its breathability and quick-drying 5 out of 6
- Athletic cut with raglan sleeves
Weaknesses
- Mammut publishes no fabric weight, so warmth is an estimate, not a reviewed score
- Mammut gives no size for its 150 g weight
- Mammut rates the durability of its own top only 4 out of 6
- No independent hands-on test found, so comfort, odour and durability are estimates, not reviewed scores
- The odour control is a surface treatment, and Mammut does not say how many washes it lasts
Sources
We haven't tested this ourselves. Every score comes from these specs, tests and reviews.