Icebreaker Anatomica LS Crewe Men's Thermal Base Layer Top - Midnight Navy, Size M

The Icebreaker Anatomica LS Crewe is a men's long-sleeve thermal base layer top engineered for active performance in cool conditions. Its Corespun fabric wraps merino wool fibers around a nylon core, delivering natural temperature regulation and breathability with added durability.

Advantages

Merino wool naturally resists odors, wicks moisture, and regulates body temperature, keeping you comfortable across a wide range of activities. The slim fit and flatlock seams reduce chafing, while underarm gussets enhance mobility. A drop tail hem provides extra coverage when you bend or reach.

Suitable for

• Hiking and trekking
• Outdoor adventures
• Everyday wear
• Active sports
• Layering under midlayers or shells

Key specifications

• Material: 87% Merino Wool, 13% Nylon (Corespun)
• Fabric weight: 150 g/m² (lightweight)
• Fit: Slim
• Neckline: Crew neck
• Sleeve length: Long sleeve
• Seams: Flatlock to prevent chafing
• Underarm gussets: Yes
• Hem: Drop tail
• Odor resistance: Natural merino wool
• Breathability: High
• Temperature regulation: Yes
• Moisture wicking: Yes
• Stretch: Yes
• Colour: Midnight Navy
• Size: M (Medium)

Recommendations

For best results, layer under a lightweight shell in cold weather or wear alone during high-output activities. Machine wash cold on gentle cycle and lay flat to dry to maintain fabric performance.