Icebreaker Siren Tank – Gritstone Heather XS

The Icebreaker Siren Tank is a versatile merino wool top that excels in temperature regulation and odour resistance, making it ideal for active days and travel. Crafted from a lightweight Corespun fabric blend, it offers a soft, breathable feel with enhanced durability.

Advantages

This tank features a slim fit and scoop neck, providing a flattering silhouette that layers easily. The merino wool naturally wicks moisture, dries quickly, and resists odours, keeping you fresh during extended wear. Flatlock seams prevent chafing, while the corespun technology wraps merino around a nylon core for added strength without compromising comfort.

Suitable for

• Hiking and outdoor adventures
• Travel and everyday wear
• Layering in all seasons
• Active lifestyles requiring breathable, odour-resistant clothing

Key specifications

• Material: 83% Merino Wool, 12% Nylon, 5% LYCRA®
• Fabric weight: 150 Ultralight
• Fit: Slim
• Neckline: Scoop Neck
• Seams: Flatlock to prevent chafing
• Care: Machine wash cold, line dry in shade

Recommendations

For those who value performance and comfort, the Siren Tank is a reliable choice. Its natural properties reduce the need for frequent washing, making it perfect for multi-day trips. Pair it with a light jacket for cooler mornings or wear it solo in warm weather.