Icebreaker 200 LS Merino Wool Base Layer Thermal Shirt for Men - Midnight Navy

A men's base layer thermal shirt crafted from 100% New Zealand merino wool, offering exceptional temperature regulation for all-season performance. The 200 g/m² jersey knit delivers lightweight warmth and high breathability, making it an ideal first layer for active pursuits and everyday comfort.

Advantages

Natural merino fibers excel at temperature regulation, keeping you warm during cold starts and cool during high-exertion activities. Flatlock seams reduce chafing, while gusseted underarms enhance mobility. This shirt also resists odors naturally, so you can wear it multiple times between washes.

Suitable for

• Hiking and trekking
• Skiing and snowboarding
• Winter sports and outdoor training
• Everyday wear as a comfortable base layer

Key specifications

• Material: 100% Merino Wool (New Zealand, mulesing-free)
• Fabric weight: 200 g/m² (lightweight)
• Fit: Slim fit
• Collar: Crew neck
• Sleeves: Long sleeves
• Breathability: High
• Moisture wicking: Yes
• Seam construction: Flatlock
• Additional features: Gusseted underarms
• Care: Machine wash cold gentle cycle; line dry in shade; do not tumble dry; cool iron; do not dry clean

Recommendations

For optimal layering, pair this thermal shirt with a mid-layer and waterproof shell in cold weather. On milder days, wear it alone for breathable comfort. Always follow the care instructions to maintain the wool's natural performance and longevity.