






Mens IsoSoft 180 Long Sleeve Crew (Burnt Orange)
Made from fine 180gm Merino and recycled polyester blend, this long-sleeved top will soon become a staple in your wardrobe, whether you need a base layer for hiking in the mountains or a casual top for the weekend!
Merino keeps you warm when it's cold and breathes well when it's warm, keeping you comfortable whatever the weather. It's also quick drying, naturally odour resistant and sustainable. Join our flock!
- 180gsm 20.5mic Fine Medium Merino Wool blended with GRS certified Recycled Polyester, to aid durability and performance
- Naturally soft, moisture wicking, odour resistant and breathable
- Self fabric neck binding
- Folded ISOBAA hem label
- Raglan sleeves offer freedom of movement
- Printed care instructions avoids scratchy labels and discomfort
- Twin needle hem & cuffs
- Embroidered ISOBAA sheep logo
- 'Sheep' logo printed internally at CB neck
- Flatlock seams for comfort
- Easy care & quick drying
- Non-mulesed Merino
- Recycled & recyclable packaging
- Weight (size M): 190g
- 50% Fine Merino Wool and 50% Recycled Polyester
- 50% Merino, 50% Polyester
- 180gsm
- 20.5µm microns
Fabric weight: 180gsm
Fabric weight (gsm)
GSM means grams per square metre. Higher GSM usually means a thicker knit, more warmth, and better wind resistance.
Lower GSM usually feels lighter, dries faster, and is better for high output.
Fibre diameter: 20.5µm
Fibre diameter (microns)
Microns measure the thickness of each merino fibre.
Smaller microns usually feel softer against skin because the fibres bend more easily. Larger microns usually feel firmer and can be more rugged for outer layers.
| Fibre | Thickness |
|---|---|
| Ultra fine | 15µm |
| Super fine | 17.5µm |
| Fine | 20µm |
| Mid-weight | 22.5µm |
| Coarse | 25µm |
| Human hair | ~70µm |
Merino's natural odour resistance means a simple air between wears is almost always enough, and the less you wash it, the longer it lasts.
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| Dry |
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| Care |
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| Materials | 50% Merino, 50% Polyester |
| Origin | Made in China in a factory independently audited to international standards for fair labour, safe working conditions, and responsible environmental practices, using ethically sourced, non-mulesed Merino wool from Australia |
| Care guide | Isobaa care guide |
- Free shipping (Verenigd Koninkrijk) on orders above £75.
- Orders usually ship within 2–3 days, though may take longer during sales. See the product page for estimated delivery.
- You can return your order within 100 days for a refund. Return shipping is not included. Items must be unworn with tags attached. Exchanges are not currently available.
- See our shipping & returns page for details.
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