Mens Merino 200 Long Sleeve Zip Neck (Stripe Petrol/Charcoal)
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Made from superfine 200gm Merino, this versatile long sleeved half zip top will soon become a staple in your wardrobe, whether you're hiking in the mountains or battling your way to work! Great on its own, or as part of a layering system for added warmth.
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.
- 200gm 18.5 micron Superfine 100% Merino wool
- Raglan sleeve construction for unrestricted freedom of movement
- Flatlock stitching helps to reduce chafing
- Drop tail hem for additional coverage
- Naturally soft, moisture wicking, odour resistant and breathable
- Half Zip neck collar for versatile ventilation
- Zip guard & garage for comfort & protection
- Embroidered ISOBAA sheep logo
- ISOBAA folded hem label
- Printed care instructions directly onto the garment, to avoid scratchy labels
- Easy care & quick drying
- Recycled packaging
- Weight (size M): 235g
Made in China by an internationally audited factory to confirm working conditions are fair, safe, and environmentally sound.
- 100% Merino Wool
- 200gsm
- 18.5µm microns
Fabric weight: 200gsm
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: 18.5µm
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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| Materials | 100% Merino Wool |
| 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 (United Kingdom) 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.
Choose options
Half zip ventilation
The half zip collar lets you easily regulate your temperature on the go, whether you're working up a sweat on the climb or cooling down at the summit
Raglan sleeve construction
By eliminating restrictive shoulder seams, the raglan sleeve construction gives you a clean, comfortable fit that moves naturally with your body
Natural merino
Naturally soft against the skin, moisture wicking, breathable and odour resistant, Merino is one of those rare fabrics that genuinely works harder the more you wear it
Proudly natural
Our Merino wool is ethically sourced from trusted Australian suppliers with a heritage dating back to 1857. We only use non-mulesed wool, working with partners who prioritise animal welfare and responsible land management.
Merino is a renewable, biodegradable fibre that naturally regulates temperature, manages moisture and resists odour, delivering reliable performance with a lighter environmental impact.
100% Merino Wool
Temperature regulating
Keeps you warm when cold, and cool when warm
Moisture management
Pulls sweat away and dries quickly
Odour resistant
Stays fresher for longer
Super soft
Feels smooth and gentle on skin