Peak Performance Men's Trail Wool Blend Long Sleeve Crew Neck Base Layer T-Shirt - Black (Size L)

A 50% Merino wool and 50% polyester blend powers this long sleeve base layer, delivering exceptional thermal regulation, moisture management, and odor resistance for high-output trail running and hiking. The mulesing-free Merino wool offers natural breathability and softness, while the polyester enhances durability and quick-drying performance. Flatlock seams eliminate chafing, ensuring comfort during extended wear. A regular fit and crew neck make it a versatile standalone top or layering piece for all-season outdoor activities.

Overview

The Peak Performance Men's Trail Wool Blend Long Sleeve is a technical base layer designed for trail running, hiking, and other demanding outdoor pursuits. Its wool-polyester blend balances warmth, breathability, and stretch, while the regular fit provides freedom of movement without excess bulk. The crew neck and long sleeves offer additional coverage, and the discreet Peak Performance logo on the chest adds a subtle brand touch.

What stands out

• Merino wool blend: 50% mulesing-free Merino wool for natural temperature regulation and odor resistance.
• Moisture management: Wicking and quick-drying properties keep you dry during intense activity.
• Comfort-focused construction: Flatlock seams reduce friction and prevent chafing.
• Versatile performance: Suitable as a base layer in cold conditions or standalone in milder weather.
• Sustainable choice: Mulesing-free wool supports ethical sourcing.

Technical details

• Material: 50% Merino wool, 50% polyester
• Sleeve length: Long sleeve
• Neckline: Crew neck
• Fit: Regular fit
• Seams: Flatlock seams
• Activity type: Trail running, hiking, outdoor activities, training
• Fabric features: Moisture-wicking, breathable, odor-resistant, quick-drying
• Seasonality: All-season (as base layer or standalone)
• Care instructions: Machine wash cold, do not bleach, tumble dry low, do not iron, do not dry clean
• Brand logo placement: Peak Performance logo on chest/sleeve
• Sustainability: Mulesing-free Merino wool
• Stretch: Yes
• Thermal regulation: Yes

Our verdict

Combining the natural performance of Merino wool with the durability of polyester, this base layer is an excellent choice for trail enthusiasts who demand comfort, odor resistance, and reliable temperature control across all seasons.