



Futuristic mountain living is taken to the next level with the new 26’ Octa collection.
Re-defining the traditional training top of yore with the most advanced Japanese fabrics. Asymmetrical 2-way zipper for ventilation, soft nylon stretch shell with body mapped Octa grid insulation in “chill zones” offering dynamic heat insulation only where needed. Packs into its own pocket. Designed originally for mountain running where lightweight, breathability and mobility are paramount.
Updated for 2026 with Octa Mini grid, offering a slimmer, lighter insulation package at just 67gsm. The hollow core Octa grid is 50% lighter than standard Polyester. The soft smooth mesh face prevents snagging and is fast wicking, making it the ideal liner when combined with a highly breathable Pertex Quantum Air shell.




Size: XS-XL
Weight: Lightweight and packable, size medium weighs 7oz / 195g.
Fit: Unisex sizing - sizing down one size for women works usually; men's expect to size up one size for best fit. Please contact customerservice@beringia.world with any questions.
Sizing Chart: Size Guide
Activity: Cool weather insulation / Winter Running / Cross Country Skiing / Hiking / Spring Ski Touring
The OCTA® structure mimics the architecture of an octopus’s tentacle system — flexible, dynamic, and complex. This isn’t just a visual analogy: the tentacle-inspired radial grid structure helps regulate heat and moisture.
In essence, OCTA® insulation blends biomimicry, thermal engineering, and material science into a lightweight, high-function textile ideal for demanding environments.