Teton Bros. Run With Octa

The Teton Bros. Run With Octa is a lightweight active insulation jacket purpose-built for running and other high-output mountain activities. Designed to provide warmth without overheating, it combines innovative insulation placement with exceptional ventilation, making it a versatile layer that many TETON BROS. staff and ambassadors rely on throughout the year.

Engineered with Teton Bros. advanced Stretch Octa Bonding technology, the Run With Octa strategically insulates the front of the body and the shoulders to upper arms, where warmth is needed most, while allowing excess heat and moisture to escape during intense activity. This targeted construction delivers an ideal balance of thermal efficiency, breathability, and unrestricted movement.

Borrowing the innovative angled zipper design from the renowned Tsurangi Lite jacket, the Run With Octa offers rapid ventilation when worn over other layers, allowing heat to be released quickly without removing the garment. The offset zipper also eliminates a traditional front-centre zip across the abdomen, creating a lighter feel and improving comfort while running or carrying a pack.

Designed for year-round performance, the Run With Octa is equally at home on mountain trails, fast hiking routes, alpine adventures, and everyday outdoor training. Whether worn as an outer layer in cool conditions or as part of a technical layering system, it delivers exceptional comfort for active pursuits.

FEATURES:

• Lightweight active insulation jacket designed for running
• Suitable for year-round mountain and outdoor activities
• Uses Teton Bros. exclusive Stretch Octa Bonding technology
• Targeted insulation across the front body and upper arms
• Excellent balance of warmth, breathability, and mobility
• Angled zipper design inspired by the Tsurangi Lite jacket
• Large ventilation opening allows rapid heat release
• Ventilates effectively when worn over additional layers
• Offset zipper reduces bulk across the abdomen for a lighter feel
• Stretch construction supports unrestricted movement
• Ideal as an outer layer or technical mid-layer
• Trusted by Teton Bros. staff and ambassadors for year-round use
• Suitable for trail running, fast hiking, trekking, climbing, and alpine adventures

SPECIFICATIONS:

Brand: Teton Bros.

Product name: Run With Octa

Category: Active insulation jacket

Intended use: Trail running, Mountain running, Fast hiking, Trekking, Climbing, Alpine activities

Insulation technology: Stretch Octa Bonding

Ventilation system: Angled front zipper

Construction:

• Stretch Octa Bonding front body
• Stretch Octa Bonding shoulders and upper arms

Material properties: Lightweight, Breathable, Stretch, Thermally efficient, Moisture managing

Layering: Suitable as an outer layer or insulating mid-layer