Men's Ambient 100 Vest, by Sitka

Men's Ambient 100 Vest, by Sitka – Lightweight Polartec® Alpha® Insulated Hunting Vest for Breathable Warmth, Packability, and Active Cold-Weather Performance

The Men’s Ambient 100 Vest by Sitka is built for the modern hunter who needs lightweight warmth without sacrificing breathability or mobility. Featuring Polartec® Alpha® Direct 100g/m² insulation, this vest is designed for high-output, cold-weather activities where dynamic movement and thermal regulation are key. Whether you’re hiking steep ridgelines, glassing from a wind-blown saddle, or layering for an all-day backcountry push, the Ambient 100 Vest adapts to changing conditions while keeping your core protected. Streamlined and ultra-packable, the Ambient 100 Vest functions equally well as a standalone piece in mild temps or as an essential mid-layer under a shell. Durable, low-bulk construction ensures stealth and efficiency in the field, making this a versatile tool for the serious outdoorsman.

Key Features & Benefits:

• • Polartec® Alpha® Direct 100g Insulation for Breathable Warmth

Advanced insulation actively regulates body heat and wicks moisture, keeping your core dry and warm without overheating during exertion.

• • Lightweight and Minimal Bulk for Efficient Layering

Weighing just over 9 oz, this vest adds critical warmth without slowing you down or restricting movement—ideal for layering under a jacket or wearing alone.

• • Stretch Nylon Face Fabric for Enhanced Durability

Rugged, abrasion-resistant outer shell stands up to harsh terrain, brush, and repeated field use.

• • Streamlined Fit for Mobility and Comfort

Athletic cut moves with you during fast-paced hunts, stalking, or gear-intensive setups.

• • Quiet, Low-Profile Design for Stealth in the Field

Low-noise materials reduce friction and sound when moving through cover or repositioning close to game.

• • Zippered Chest and Hand Pockets for Secure Storage

Strategically placed pockets offer quick access to essentials like rangefinders, wind checkers, or gloves.

• • Packable for Backcountry and Travel Efficiency

Compresses easily into a daypack or gear bag for ultralight trips or layering flexibility in unpredictable conditions.

Specifications:

• • Brand: Sitka Gear

  • Insulation: Polartec® Alpha® Direct (100g/m²)

  • Shell Material: Stretch nylon face fabric

  • Fit: Athletic fit designed for layering and mobility

  • Weight: 7.68 oz.

  • Pockets: One zippered chest pocket, two zippered hand pockets

  • Sizes: M, L, XL, 2XL (Varies by Availability)

  • Color/Camo Options: Comes in Subalpine, Elevated II, and Sitka Black (Varies by Availability)

  • Care Instructions: Machine wash cold; tumble dry low. Do not bleach or dry clean.

Ideal Applications:

• • Big game hunting in early to mid-season conditions

  • Layering piece for mountain, whitetail, or waterfowl systems

  • Cold mornings or high-output hiking, scouting, or setup missions

  • Backcountry hunts where weight and versatility matter

  • Everyday outdoor wear in cold-to-cool climates

Warranty & Support:

Sitka stands behind every product they make, and if there are any defects in materials or workmanship Sitka will evaluate damaged products and repair, replace, or return them at their discretion.

Why Choose the Sitka Men’s Ambient 100 Vest?

Optimize your layering system with the Men’s Ambient 100 Vest by Sitka—a premium, breathable insulation vest built to handle motion, weather, and the demands of any hunt.