Icebreaker Siren Tank dames thermoshirt - middernachtblauw, maat L

At just 150 gsm, this ultralight tank top delivers exceptional warmth-to-weight performance, making it an indispensable layer for active days. Crafted from a Corespun blend of 83% Merino wool, 12% nylon, and 5% LYCRA®, the Siren Tank offers natural breathability, odour resistance, and moisture management in a slim, feminine silhouette.

Overview

The Icebreaker Siren Tank is a versatile sleeveless top designed for layering or standalone wear across all seasons. Its scoop neck and slim fit provide a flattering look, while flatlock seams prevent chafing during movement. The fabric's natural temperature regulation keeps you comfortable in varying conditions, from cool mornings to high-output activities.

What stands out

• Ultralight 150 gsm Corespun fabric: Merino wool wrapped around a nylon core for durability and softness.
• Natural odour resistance: Merino wool inhibits bacterial growth, keeping you fresh longer.
• Moisture-wicking and quick-drying: Actively moves sweat away from the skin and dries rapidly.
• Breathable and thermoregulating: Adapts to your body temperature, ideal for layering or solo wear.
• Mulesing-free Merino wool: Ethically sourced for peace of mind.

Technical details

• Material: 83% Merino wool, 12% nylon, 5% LYCRA®
• Fabric weight: 150 gsm (ultralight)
• Fit: Slim
• Neckline: Scoop neck
• Sleeve length: Sleeveless
• Colour: Midnight Navy
• Size: L
• Care: Machine wash warm, line dry in shade, do not tumble dry
• Best uses: Layering, hiking, travel, everyday wear
• Season: All-season

Our verdict

A premium thermal tank that excels as a base layer or standalone top. The blend of Merino wool and LYCRA® offers a perfect balance of comfort, performance, and durability, making it a smart choice for any active wardrobe.