Men's Merino Wool Blend T-Shirt Sierra140 Jet Black Size M

At just 140 g/m², this T-shirt delivers an exceptional warmth-to-weight ratio that outperforms typical cotton tees. The 50% merino wool, 50% polyester blend naturally regulates temperature, wicks moisture, and resists odour—making it a versatile layer for everything from daily commutes to multi-day treks.

Overview

The Sierra140 is a short-sleeve crew-neck T-shirt in a regular fit, sized M. Jet black colouration keeps it understated and easy to pair. The merino wool component offers natural breathability and temperature control, while the polyester adds durability, quick-drying performance, and shape retention. The result is a shirt that feels soft against the skin, stays fresh longer, and handles active use without clinging or sagging.

What stands out

• Merino wool blend naturally resists odour, so you can wear it multiple times between washes.
• High breathability and moisture wicking keep you dry during high-output activities.
• Quick-drying fabric is ready to pack or wear again in hours.
• Built-in UV protection shields you from harmful rays on sunny days.
• All-season versatility: works as a base layer in winter or a standalone tee in summer.

Technical details

• Material: 50% Merino Wool, 50% Polyester
• Fabric weight: 140 g/m²
• Fit: Regular
• Sleeve length: Short
• Neckline: Crew neck
• Colour: Jet Black
• Size: M (Medium)
• Care: Machine wash cold, gentle cycle
• Odour resistance: Yes
• Breathability: High
• Moisture wicking: Yes
• Quick drying: Yes
• UV protection: Yes
• Season: All-season
• Best uses: Lifestyle, Outdoor, Travel, Sport

Our verdict

The Sierra140 hits the sweet spot between performance and everyday comfort. Its merino blend keeps you fresh and dry without the itch or fuss of pure wool, and the jet black colour goes with anything. A smart choice for travellers, hikers, or anyone who wants a reliable tee that works as hard as they do.