Super Thermo Zip Polo Shirt with Inlay

Sale price$99.95 USD4.7

Built to keep you dry, warm, and moving through cold, high-output conditions.

Color: Black
Size: XS

Built to keep you dry, warm, and moving through cold, high-output conditions.

The Super Thermo Long Sleeve with Inlay is made for cold-weather movement where sweat, wind, and shifting effort levels can leave you chilled. Worn directly against skin, Brynje’s open mesh construction helps move moisture away from the body while creating a warm insulating air layer under your next layer.

Best For
Hiking
Backpacking
Skiing
Fishing
Mountaineering
Winter Work
Layer Type Next-To-Skin (Base Layer)
Gender Unisex
Fabric Weight Lightweight Mesh
Weight Varies by garment and size
Fit Notes Athletic, ergonomic next-to-skin fit designed to stretch and move with the body.
Specific Measurements Measurements vary by garment and size. See the size chart for product-specific measurements.
Construction Technical open-mesh construction with product-specific solid-knit panels, seams, sleeve lengths, necklines, and coverage depending on style.
Product Features Product-specific features vary by style and may include flatlock seams, ergonomic shaping, extended coverage, different necklines, sleeve lengths, and technical inlay panels.
Activity Range High-Output / Stop-and-Go
Origin Made in Poland
Material 100% polypropylene
Inlay Construction Solid Interlock Knit Panels
Washing Temp Machine Wash Cold (40°C)
Drying Process Line Dry / Dries Rapidly
Bleaching / Ironing Do Not Bleach / Do Not Iron
Fabric Treatment Inherent Hydrophobic Properties
Lifespan Rating Ultra-Durable (Multi-Season)
Repair Program 5-Year Minimum Free Repair Warranty
Eco Footprint Low-Energy Production Cycle
Chemicals Certification Oeko-Tex Standard 100 Compliant
Microplastic Release Filament Yarn / Reduced Shedding
Philosophy Buy Less, Repair More
Optimal Temperature Range for Highest Performance

20°F to 45°F

(-7°C to 7°C)

Recommended for sustained cold-weather movement when integrated into a technical Brynje mesh layering system.

Extreme Cold Mild / Moderate
-20°F -29°C
20°F -7°C
45°F 7°C
60°F 15°C

Temperature windows are approximate and vary based on personal metabolic rate, sustained activity levels, wind chill, and current atmospheric conditions.

Find Your Perfect Fit

1. Select Garment Category
2. Select Fit Preference
3. Dial In Your Measurements
Your Recommended Size
MD Optimal Match

Why Mesh Works

Mesh doesn’t trap sweat against your skin like a traditional flat-knit base layer. Instead, the open structure creates small pockets of air that help insulate while allowing moisture vapor to move away from your body.

Brynje open-mesh performance breakdown diagram
That means:
Less clammy fabric against skin
Better comfort during stop-and-go activity
More warmth when layered correctly
Faster drying performance in cold, wet conditions

Performance Layering Mechanics

Toggle between the modes below to see how the mesh manages moisture and warmth.

SYSTEM KEY
Water Vapor / Sweat
Body Heat
SKIN
OUTER LAYER
Next-To-Skin Only: Open mesh cells dump excess heat while channeling moisture vapor away from your skin.