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Gear up for cold weather with the Women's 260 Merino Active Tights, designed to keep you warm, dry, and comfortable during your most demanding activities. Made from a premium blend of 96% superfine 18.5 micron Merino wool and 4% elastane, these tights provide natural moisture-wicking, odour-resistant, and breathable properties, ensuring you stay fresh and dry even during high-intensity workouts.
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- 260g 18.5 micron Superfine 96% Merino wool 4% Elastane
- Gusset construction to aid freedom of movement
- Perfect for cold weather activities
- Bagged out self fabric waistband with internal adjuster drawstring/elastic
- Flatlock seams
- Side leg panel with open top thigh pocket – ISOBAA stretch binding to keep valuables secure on the go
- Naturally soft, moisture wicking, odour resistant and breathable
- Embroidered ISOBAA sheep logo
- ISOBAA folded hem label
- Non-mulesed merino
- Recycled & recyclable packaging
- Weight (size S): 225g
- 96% Merino, 4% Elastane
- 260gsm
- 18.5µm microns
Fabric weight: 260gsm
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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| Dry |
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| Care |
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| Materials | 96% Merino, 4% Elastane |
| 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.
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Warm Merino with stretch
Warm enough for cold-weather effort, stretchy enough to move freely, and naturally wicking and odour resistant, so you can wear it hard and wash it less
Gusset construction
Added fabric at the crotch gives you a fuller range of motion without pulling or restriction
Thigh pocket
An open-top pocket on the side leg holds a phone or essentials on the move, with stretch binding to keep things secure without needing a zip







