Men's Frontier Shirt Jacket by Sitka

Men's Frontier Shirt Jacket by Sitka — Rugged Warmth Meets Everyday Versatility

The Men’s Frontier Shirt Jacket by Sitka is a rugged, insulated shirt-jacket hybrid built for transitional weather and active outdoor lifestyles. Designed to deliver warmth without bulk, it combines the look of a classic flannel with technical performance features — making it ideal for chilly mornings, cool-weather scouting trips, or everyday wear with a refined edge.

Key Features & Benefits:

• • Warm, Lightweight Insulation

Features low-profile synthetic insulation for warmth that won’t weigh you down, making it perfect for layering or stand-alone wear in mild to cold temps.

• • Durable Outer Fabric

Built with a tough, abrasion-resistant exterior that stands up to hard use in the field, on the job, or around camp.

• • Classic Shirt-Jacket Design

Combines the styling of a button-up shirt with the function of a light jacket — stylish enough for town, technical enough for the trail.

• • Two Chest Pockets & Hand Pockets

Functional storage for small essentials like keys, phone, or tools.

• • Full Button Front Closure

Easy on/off and layering compatibility with other Sitka gear or your everyday wardrobe.

Specifications:

• • Material: Durable polyester outer with synthetic insulation

  • Fit: Regular

  • Insulation: Lightweight synthetic (body-mapped for mobility and warmth)

  • Pockets: Two chest pockets and two hand pockets

  • Closure: Full button front

  • Use Case: Everyday wear, layering, camp, work, mild to cold weather conditions

  • Sizes: S–2XL

  • Colors: Coyote Heather & Obsidian Heather

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 Men's Frontier Shirt Jacket by Sitka?

Whether you're heading into the backcountry or meeting friends in town, the Frontier Shirt Jacket offers warmth, durability, and everyday style — a versatile outer layer built to handle it all.