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The L1 Boreum Jacket is what you get when your cross meticulously performance-first design with a refusal to compromise on style. This top of the line 3-layer shell is as techy as it is pretty. The Cordura fabric is 4-way stretch, super rugged, and has a look and feel that's softer and more bespoke than your average hardshell. The big front pocket gives adds a bit of funky flair, but is also super useful and situated higher than your average anorak pocket to avoid interference with your hipbelt when riding with a backpack. The L1 Boreum Jacket is your ticket to standout looks and performance that wont let you down.
90% Nylon / 10% Elastane
CORDURA® Fabric – The addition of CORDURA® takes this highly waterproof 20K/20K 4-way stretch 3-Layer fabric to the next level with added long-lasting durability and resistance to abrasions, tears, and scuffs.
PFC-free DWR – As part of L1's commitment to improving their environmental footprint, they have entirely switched from C6 DWR containing hazardous PFC’s (per- and poly-fluorinated chemicals) to PFC-free DWR on all fabrics and styles that require a DWR coating.
20,000 mm Waterproofing / 20,000 g Breathability
Eco Yarn Lining – GRS certified 100% recycled polyester linings, manufactured from used PET bottles. Using environmentally-friendly recycling processes, it does not require petrochemical raw materials and saves natural resources reducing the burden on the environment.
3/4 Length Water Resistant Front Zip
Large Covered Chest Pocket with Zip
Inner Mesh Pocket with Cord Exit
Water Resistant Zip Hand Pockets
Zip Pass Pocket on Left Sleeve
2-Way Side Entry Zip Doubles as an Underarm Vent
Shock Cord Hood and Hem Adjusters
Adjustable Cuffs – Velcro cuffs to adjust to tightness preference depending on the conditions.
Inner Storm Flap
Jacket to Pant Snap Away Powder Skirt
Stretch Sleeve Gaiter with Thumb Hole
Key Clip
Breathability Rating (g) | Breathability Level | Activity Level |
0 - 10000 | Low to moderate breathability | Resort skiing & snowboarding / walking / low intensity activity |
11000 - 15000 | Moderate breathability | Resort skiing & snowboarding / hiking / moderate intensity activity |
16000 - 20000 | High breathability | Backcountry skiing & snowboarding / backpacking / moderate to high intensity activity |
21000+ | Very high breathability | Backcountry skiing & snowboarding / biking / high intensity activity |