Icebreaker Anatomica Short Sleeve Crewe Undyed Men's Base Layer T-Shirt Size L

Engineered from Icebreaker's innovative Corespun fabric—nylon filaments wrapped in ZQ-certified Merino wool—this base layer delivers next-to-skin softness with the durability to match. At a featherlight 150 gsm, the Anatomica Short Sleeve Crewe in Undyed offers natural temperature regulation, breathability, and odor resistance for all-day comfort in any condition.

Overview

The Icebreaker Anatomica Short Sleeve Crewe is a slim-fit base layer designed for active men who demand performance without compromise. Its 87% Merino wool, 13% nylon blend provides the perfect balance of warmth, moisture management, and resilience. The undyed, natural colorway highlights the purity of the fiber and reduces environmental impact. Flatlock seams and underarm gussets ensure chafe-free movement, while the 4-way stretch fabric moves with you through every stride, climb, or cast.

What stands out

• Corespun technology: Nylon core wrapped in Merino wool for enhanced strength and next-to-skin softness.
• ZQ-certified Merino: Ethically sourced, high-quality wool that meets rigorous animal welfare and environmental standards.
• Natural performance: Inherent odor resistance, breathability, and adaptive temperature regulation keep you comfortable from dawn to dusk.
• Mobility-focused design: Underarm gussets and 4-way stretch allow unrestricted range of motion.
• Undyed aesthetic: Minimal processing for a clean, natural look and reduced chemical footprint.

Technical details

• Material: 87% Merino wool, 13% nylon (Corespun)
• Fabric weight: 150 gsm – lightweight and breathable
• Fit: Slim, athletic cut
• Sleeve length: Short sleeve
• Neckline: Crew neck
• Seams: Flatlock seams to prevent chafing
• Underarm gussets: Yes, for enhanced mobility
• Stretch: 4-way stretch for unrestricted movement
• Moisture management: Wicking material draws sweat away from the skin
• Odor resistance: Natural anti-odor properties of Merino wool
• Temperature regulation: Adaptive thermal control for varying conditions
• Breathability: High – allows excess heat and moisture to escape
• Fast drying: Yes – quick-drying fabric for active use
• Sustainability: ZQ-certified Merino wool, undyed to minimize environmental impact
• Size: L (Large)

Our verdict

The Icebreaker Anatomica Short Sleeve Crewe in Undyed is a premium base layer that excels in versatility and comfort. Its Corespun construction offers a rare combination of softness and durability, while the undyed Merino wool delivers natural performance without harsh chemicals. Ideal for hiking, travel, or everyday wear, this shirt is a reliable foundation for any layering system.