A base layer guaranteed to warm your core. The Men's Core Midweight Crew is crafted with our 260gm...
A mid layer with ultimate warmth to weight ratio. Merino Gridlock fabric traps heat and manages moisture to...
Arcadia is a real all-rounder: a versatile mid-layer for ultimate warmth and maximum performance on every adventure. The...
Temple is an active base layer designed for year-round conditions. It is lightweight, has a slim fit and...
Made to move, the Cascade provides all the warmth of merino with a four-way stretch. Cascade has been...
Made to move, the Cascade provides all the warmth of merino with a four-way stretch. Cascade has been...
Midweight base layer bottoms perfect for skiing, winter hiking, or cold-weather layering, the 260 Tech Leggings are a...
A warmer, midweight version of the best-selling Oasis, the 260 Tech Long Sleeve Crewe is a go-to piece...
A warmer, midweight version of Icebreaker's best-selling Oasis, the 260 Tech Long Sleeve Half Zip is a go-to...
Arcadia is a real all-rounder: a versatile mid-layer for ultimate warmth and maximum performance on every adventure. The...
Temple is an active base layer designed for year-round conditions. It is lightweight, has a slim fit and...
Designed for long rides and multi-day adventures in all conditions. The Redwood is the ultimate enduro jersey because...
Icon is the perfect year round staple. It excels both on and off the mountain in all conditions....
Active men’s base layer bottoms made from 100% merino wool jersey, the 200 Oasis Leggings are Icebreaker's best-selling...
A versatile women’s merino wool base layer shirt, the 200 Oasis Long Sleeve Crewe combines casual comfort with...
The Men's Core Lightweight Crew Base Layer is the first building block for comfort in mild to cool...
The Merino men's pants are made from 100% fine Australian Merino Wool and at 230gm are the perfect...
The Merino men's crew neck top is made from 100% fine Australian Merino Wool and at 230gm is...
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Merino wool and polypropylene are both popular materials for men's thermal wear. Merino wool is a soft, natural fiber that is known for its insulating properties and ability to regulate body temperature. Polypropylene, on the other hand, is a synthetic material that is lightweight, moisture-wicking, and quick-drying.

Merino wool is a popular choice for those who want a natural, sustainable material that is soft and comfortable against the skin due to it's breathability. It is also naturally odour-resistant, making it a good choice for extended wear. Merino wool thermals can be more expensive than polypropylene thermals, but they are often considered to be more durable and longer-lasting.

Polypropylene thermals are a good choice for those who need a lightweight, sweat-wicking material that can handle intense physical activity. Polypropylene is a synthetic material that is made to be durable and moisture-wicking, making it a good choice for outdoor activities like hiking, skiing and paddling. Polypropylene thermals are often less expensive than merino wool thermals, but they may not be as warm or as comfortable to wear for extended periods of time.

Ultimately, the choice between merino wool and polypropylene thermals will depend on your personal preferences and needs.