Beta LT Lightweight Outdoor-Grade Down Jacket

Beta LT Lightweight Outdoor-Grade Down Jacket
This product is not an official Arc’teryx series item but a high-quality replica/alternative version available on the market. Based on the official Beta LT Jacket hard shell, it features a detachable lightweight down liner to achieve a “three-in-one” functionality (wear the hard shell alone, wear the liner alone, or combine them). The official Beta LT is a pure GORE-TEX shell jacket without an integrated or officially compatible down liner (official 3-in-1 models typically feature synthetic insulation, such as the Therm Parka series). This “3-in-1 down version” is commonly found in China’s parallel import or replica channels, popular among consumers seeking warmth + waterproofing. It offers high value for money, but authenticity and quality variations should be noted.
Style Name: Beta LT 3-in-1 Jacket (Down Liner Version)
Series Inspiration: Based on Beta LT (Lightweight All-Rounder Shell)
Gender: Unisex (Men’s cut is more structured; women can opt for a smaller size)
Outer Shell: GORE-TEX (or similar waterproof fabric) 3-layer construction, lightweight yet durable, windproof, waterproof, breathable (taped seams, YKK waterproof zippers)
Insulation: Lightweight down fill (typically 90% white duck or goose down, moderate fill power for outdoor-grade warmth without bulk)
Details: StormHood™ adjustable hood, underarm ventilation zippers, multiple pockets, Velcro cuffs, zipper/button fastening for layering
Weight: Layered set approx. 600-800g (lightweight and packable)
Fit: Slim-fit with articulated joints for unrestricted movement
Function & Applications:
Three-in-one functionality: Outer shell for rain/snow, inner liner for dry cold, combined for wet/cold extremes (-10°C to 5°C)
Waterproof, windproof, and insulated—ideal for hiking, mountaineering, commuting, and travel
Advantages: Lightweight without bulk, superior warmth compared to official single-shell models