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The Mammut Sender IN Hooded Jacket offers warmth and sustainability in cold weather gear. Its innovative Loopinsulation repurposes leftover polyester rope scraps, creating an eco-friendly layer. It's not the lightest jacket but excels in warmth-to-weight ratio.
Mammut says:
For warmth and comfort in sub-zero conditions, this thermal jacket is insulated with a specialized synthetic fill: our one-of-a-kind Loopinsulation, made of recycled rope scraps. Combined with a recycled wind- and water-repellent outer fabric, this cozy layer offers the protection you need while marking an important step towards a more circular economy, and responsible production with the lowest possible impact on the environment.
Our Verdict
The Mammut Sender IN Hooded Jacket is a stand-out choice for those seeking warmth and sustainability in cold-weather gear. This jacket is insulated with Mammut's innovative Loopinsulation, which repurposes leftover polyester rope scraps, creating a unique, eco-friendly layer that doesn’t compromise performance.
Weighing 721 grams for a medium, the Sender IN might not be the lightest jacket, but it makes up for its excellent warmth-to-weight ratio. The insulation is distributed in puffy clusters within the recycled pocket weave fabric, giving the jacket a distinctive look and ensuring consistent warmth even in biting conditions. The outer fabric is both wind- and water-repellent, offering reliable protection in unpredictable weather, while the PFC-free DWR treatment underscores Mammut’s commitment to responsible production.
Comfort is a strong point here. The pre-adjusted hood fits snugly, shielding you from the elements without needing constant adjustments. The elasticated cuffs and partially elastic hem help to trap heat while allowing for a better overall fit, particularly when layering. The two side pockets, equipped with durable zips, are thoughtfully placed for easy access to essentials while moving.
The Sender IN Hooded Jacket excels in its versatility. Whether hiking in freezing temperatures, braving a winter climb or simply exploring in less-than-ideal weather, this jacket is up for the challenge, providing warmth, protection, and peace of mind that your gear has a lower environmental impact.
- Reviewed by Ultralight Outdoor Gear
Features
- Pre-adjusted hood
- Two zippered side pockets
- Elasticated cuffs
- Partially elastic hem for a better fit
Specifications
- Small weighs: 692g
- Medium weighs: 721g
- Large weighs: 777g
- XLarge weighs: 798g
- Cut: Regular Fit
Material & Construction
- Filling 1 - Face Material (B2B): 100% Polyester (50% recycled)
- Denier (main material): 30Dx20D
- Lining 1 - Face Material (B2B): 100% Polyester (recycled)
- Filling (B2B): Rope Insulation
- Loopinsulation
- Main Fabric 1 (B2B): Pocket Weave
- Main Fabric 1 - Face Material (B2B): 91% Polyester (recycled), 9% Elastane
- Fair Wear
- PFC-free DWR
- Recycled
