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Tarn Merino Long Sleeve Iron Abyss – Men’s Lightweight Base Layer

The Mons Royale Tarn Merino Long Sleeve in Iron Abyss is a lightweight, versatile base layer designed for year-round performance. Made from premium merino wool, it delivers breathable comfort, moisture control, and natural odour resistance—ideal for training, travel, and outdoor use.

Lightweight Merino Performance

Soft against the skin and highly breathable, merino wool regulates temperature to keep you comfortable in changing conditions. It wicks moisture efficiently and stays fresh for longer, making it perfect for all-day or multi-day wear.

Versatile for Any Activity

With a relaxed men’s fit and long sleeve coverage, this piece works as a base layer in colder weather or a standalone top in milder conditions. The Iron Abyss colourway offers a clean, understated look.

Key Features

• Lightweight merino wool fabric

• Breathable and moisture-wicking

• Natural odour resistance

• Long sleeve design for added coverage

• Comfortable men’s fit