THE IN Jacket – extra-warm down jacket with unique glow-in-the-dark effect. Large down chambers give the jacket its puffy appearance. The tagline "Swiss Design since 1862" is displayed on the back. An eyecatcher. The jacket that shines in the dark: THE IN Jacket.

THE IN Jacket

This product contains down and feathers sourced from well-treated animals. Collection from live birds (live-plucking) as well as force-feeding are strictly prohibited.

Responsible down

Perfluorinated compounds (PFCs) are often used for waterproofing but are practically non-biodegradable. Mammut is committed to replacing non-biodegradable fabric treatments with more sustainable high-performance alternatives.

PFC-free DWR

Fair Wear works to ensure fair and safe working conditions in garment factories. The non-profit engages directly with factories, trade unions, NGOs and governments to protect workers’ rights.

Fair Wear

The fill power of down is rated in cuin (cubic inches per ounce): the higher the cuin rating, the greater the wadding and therefore thermal insulation per weight. 

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THE IN Jacket

Glow in the dark down jacket