Core heat that just won't quit for the rut. Our Finest 1000 Fill Power down smokes 800FP rivals in frozen timber. You get a quiet, packable, stretchy layer that's more breathable than any down product out there. Stop hauling bulk. Max out your warmth, drop the weight, and kill every cold spot.The apex layer for the deep-freeze hunts, the high-country life, and everything between.
Outer jacket: 50°F to 14°F (10°C to -10°C) over base/mid layer
Layered system: 32°F to -22°F (0°C to -30°C) when combined with outer shell and base/mid layers
Weight: 13.3 oz (Size M); 377 g (Size EU52)
Layering & Fit
Layer: 4thInsulation layer [4IL] Fit: Precision fit - sized to fit over underwear layer [1UL], a base layer [2BL] and a mid layer [3ML].
Warranty & Care
Care Instructions: Machine wash warm - below 90°F (30°C) with similar colors. Do not use bleach or fabric softener. Tumble dry low. Dry away from direct sunlight. Do not iron. Warranty: 2-year Warranty - Guaranteed against manufacturing defects.
Pairs well with
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World's Lightest, Warmest, Ultra-Compact Hunting Down Jacket - Packable Puffy - Best Ultralight Puffer
Ultra-lightweight hunting down jacket is the best in its class, period. Built to decrease the weight of your clothing while tremendously increasing cold insulation efficiency thanks to its unmatchable moisture management. Featuring the world's finest 1000 Fill Power down and the most innovative seamless stretch fabric with superior breathability, thermoregulation, freedom of movements and mobility, this hunting puffy jacket is anatomically tailored for unmatched Men's, Women's, and Youth's comfort.
Unfair Advantage and Efficiency of Weight to Warmth Ratio - Unbeatable by the Best Product of Any Leading Quality Hunting Clothing Brands
Wear the best down jacket for hunting as an insulation layer beneath the outer shell in severe conditions from 32°F to -22°F (0°C to -30°C) with mid-layer and/or base layer. Use it as an outer jacket in warmer conditions from 50°F to 14°F (10°C to -10°C) with just a base layer.
Best Hunting Puffy Jacket - Packable Puffer for Hunting
Made with 1000 Fill Power goose down - the most expensive, most efficient, and highest quality down in the industry. The 1000FP down is so fine and rare that it represents only 2% of the world's down yield, and through 2025 is exclusively used by Hillman in the hunting clothing industry.
✔ 1000FP rare goose down with unmatched efficiency
✔ Innovative seamless technology fabric
✔ High breathability down-proof shell-fabric
✔ Stretch for freedom of movement
✔ Packable in its own pocket
✔ All YKK® zippers with Hypalon® pullers
✔ DWR water-repellent finish
✔ Two outer pockets + two inner compartments
✔ Seamless shoulder yokes
✔ Only 13.3 oz / 377g (size M)
Superior Down Technology
The quality of 1000FP down provides superior cold insulation with minimal weight. Our down clusters trap more air than any other down in the world and deliver the best performance for ultra-lightweight thermal insulation.
Revolutionary Fabric Technology
The fabric represents a world innovation through its unique weaving that seamlessly creates the down chambers. Extremely breathable, the fabric doesn't need down-proof coatings or membranes that could block breathability. Instead, its tight weaving technique provides superior down-proof performance. This super-tight weaving technology effectively blocks thorns while making the fabric stretchy for excellent comfort and freedom of movement. These qualities make the fabric a bold symbol of innovation and technological perfection.
Ultimate Packability
This hunting jacket has no equal in the industry and packs down into its own pocket, making it the perfect companion in your hunting backpack.
Enhanced Hunting Experience
Gear up with this premium ultra-lightweight down hunting jacket and discover how advanced technology and innovation will enhance your hunting experience in the cold winter days.
[Down clusters qualities]
The quality of 1000FP down provides much better cold insulation with lesser weight.
Our down clusters trap more air than any other down in the world and have the best performance for ultra-lightweight thermal insulation.
[The efficiencyof different down qualities with the same weight to trap air]
The fabric is World innovation because of the way of weaving that seamlessly creates the down chambers.
Extremely breathable, the fabric doesn't have down-proof coatings or membranes, which may block the breathability. However, its tight weaving technique provides superior down-proof function.
This super-tight weaving technology can block the penetration of thorns and is so innovative indeed, makes the fabric stretchy for excellent comfort and freedom of movements.
Thanks to these qualities, the fabric is a bold symbol of the innovations and the perfection of technologies nowadays.
The jacket has no analog in the hunting clothing industry and is so compact that it can be packed into its pocket to be the perfect companion in your hunting backpack.
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Gear up with premium ultra-lightweight down hunting jacket to find out how the advantages of modern technologies and innovations will enhance your hunting experience in the cold winter days.
Exponential Thermal Performance Through Layering
The 4IL Down Jacket serves as your critical mid-insulation layer, trapping warm air while allowing moisture transfer. This systematic approach is the smartest way to make your clothing work most efficiently.
Mix and match layers for optimal comfort across varying conditions, from mild afternoons to brutally cold mornings.
Hillman's 6-Level Layering System transforms how you approach cold weather hunting. Each layer works in synergy to boost the next, exponentially amplifying thermal efficiency.
4IL Hunting Down Jacket - 1000 Fill Power in Your Pocket
The 4IL transforms from full-size jacket to compact bundle in seconds, disappearing into its own integrated pocket. At under 14 ounces, it packs smaller than a water bottle while delivering 1000 Fill Power performance when conditions demand it.
Whether you're climbing to a distant stand, tracking through changing terrain, or facing unexpected weather drops, the 4IL Hunting Jacket stays ready without weighing you down.
No more choosing between comfort and mobility. Simply pack it, forget it, and deploy instant warmth when nature turns hostile. Ultimate convenience meets uncompromising performance for hunters who refuse to be caught unprepared.
