





Mens Merino Blend 125 Ultrafine SS Shirt (Turbulence)
Easy-going style meets the natural performance of ultrafine merino. Lightweight and breathable, this short sleeve shirt is comfortable in warm weather and packs down easily for weekends away, holidays or everyday adventures.
The Merino blend helps regulate temperature and naturally resists odours, while twin chest pockets add a practical finishing touch. Smart enough for evenings out, relaxed enough for days spent outdoors, it's the sort of shirt that adapts without trying too hard.
- Naturally soft, moisture wicking, odour resistant and breathable
- Lightweight & ideal for travel or summer
- ISOBAA logo Buttons
- Double chest pockets
- Embroidered ISOBAA sheep logo on RH sleeve
- ISOBAA folded hem label
- Non-mulesed merino
- Paper packaging that’s easy to recycle & FSC certified
- Weight (size M): 165g
- Ultrafine 17.5mic 82% Merino / 16% Nylon / 2% Lycra 125gsm
- 82% Merino, 15% Nylon, 3% Lycra
- 125gsm
- 17.5µm microns
Fabric weight: 125gsm
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: 17.5µm
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 | 82% Merino, 15% Nylon, 3% Lycra |
| 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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