Lightweight women’s thermal leggings made from a balanced blend of 50% Merino wool and 50% polyester. At approximately 150 g / 5.3 oz., these slim-fitting base-layer bottoms provide breathable insulation without the weight and bulk of heavyweight winter leggings.
- 50% Merino Wool, 50% Polyester — an exact, clearly disclosed natural-and-synthetic fiber blend.
- Lightweight: Approximately 150 g / 5.3 oz. — designed for light insulation and easy layering.
- Women’s Base-Layer Bottoms — slim enough to wear beneath trousers, ski clothing and other cold-weather layers.
- Mid-Rise Fit — designed to sit comfortably around the natural waist area.
- Slim, Layering-Friendly Shape — follows the body closely to reduce unnecessary bulk beneath outer clothing.
- Soft Elastic Waistband — provides a flexible fit without bulky closures.
- Lightweight Jersey Fabric — smooth knitted construction suitable for close-to-body wear.
- Breathable Merino-Wool Content — wool naturally absorbs moisture vapor and provides comfortable insulation.
- Polyester for Practical Performance — contributes durability, shape retention, wrinkle resistance and faster drying.
- OEKO-TEX® STANDARD 100 — the fabric is produced according to OEKO-TEX® STANDARD 100 requirements.
- Made in Turkey — manufactured by a specialist Turkish hosiery and apparel producer.
Lightweight Merino-Blend Thermal Leggings
Not every cold day requires a heavy thermal layer.
These TITTIMITTI® women’s leggings weigh approximately 150 g / 5.3 oz., creating a lightweight option for cooler weather, travel and layered dressing.
The relatively low weight makes them easier to wear beneath regular clothing than bulky fleece-backed or heavyweight thermal bottoms. They can be worn under trousers, winter clothing or outdoor layers when you want additional insulation without excessive thickness.
The fabric is made from:
50% Merino Wool
50% Polyester
We state both fibers clearly because this is not a 100% Merino-wool garment. It is a deliberately balanced Merino-wool and polyester blend designed to combine qualities from both fibers.
Why Combine Merino Wool and Polyester?
Pure Merino wool and polyester have different characteristics. Combining them creates a fabric intended to balance natural insulation and moisture absorption with durability, shape retention and easier everyday care.
Merino wool contributes:
- Natural insulation.
- Breathability.
- Moisture-vapor absorption.
- Natural temperature-regulating qualities.
- A softer and finer feel than many traditional coarse wools.
Polyester contributes:
- Additional durability.
- Improved shape retention.
- Wrinkle resistance.
- Faster drying.
- Practical support for repeated layering and everyday use.
This blend is not intended to imitate a pure Merino garment. It serves a different purpose: providing meaningful Merino-wool content in a lightweight, durable and layering-friendly construction.
50% Merino Wool — Not a Token Percentage
Some products marketed as “Merino blend” contain only a small percentage of wool.
These leggings contain 50% Merino wool, making wool one-half of the declared fiber composition rather than a minor addition.
The remaining 50% is polyester. We do not hide the synthetic component behind the word “blend.” Both fibers and both percentages are disclosed so customers can compare this product accurately with pure Merino leggings, lower-wool-content blends and completely synthetic thermal underwear.
Half Merino wool. Half polyester. No vague composition language.
Approximately 150 g / 5.3 oz.
Weight is an important but frequently omitted detail when comparing base layers.
These leggings weigh approximately 150 grams / 5.3 ounces. That positions them as a lightweight thermal layer rather than a thick, heavyweight winter legging.
The lightweight construction is useful when you want:
- Additional warmth without heavy bulk.
- A base layer that fits beneath everyday trousers.
- A compact layer for travel.
- A lighter option for transitional weather.
- Flexible layering during changing temperatures.
- Thermal bottoms that do not feel like heavy outerwear.
They can also be combined with warmer outer layers when conditions require more insulation.
Base Layer or Mid-Layer?
The close, slim fit allows these leggings to be worn as thermal bottoms beneath other clothing. Depending on your personal layering system and sensitivity to wool, they may also be worn over a thin first layer as a lightweight mid-layer.
They are suitable beneath:
- Everyday trousers.
- Jeans with sufficient room.
- Ski pants.
- Snow pants.
- Outdoor trousers.
- Work clothing.
- Travel clothing.
- Other cold-weather layers.
Because clothing fit varies, allow enough room in the outer garment for comfortable movement and layering.
Mid-Rise, Slim Fit
These leggings feature a mid-rise waist and slim silhouette.
The close-fitting shape helps reduce bunching and excess fabric beneath outer garments. A soft elastic waistband keeps the construction straightforward and flexible without buttons, zippers or other bulky closures.
These are thermal layering leggings rather than compression tights. They are designed to follow the body closely but should not be confused with medical, shaping or athletic-compression clothing.
Lightweight Jersey Construction
The leggings are made from Merino-wool-blend jersey fabric.
Jersey is a knitted construction valued for its flexibility and ability to follow the body. In this product, the lightweight jersey structure supports the slim fit while remaining practical beneath other garments.
The construction is intended for layering and comfortable movement rather than heavy stand-alone protection from severe weather.
For Cooler Days and Changing Seasons
These lightweight thermal bottoms can be useful during:
- Autumn and early winter.
- Cool spring weather.
- Cold offices and indoor environments.
- Winter travel.
- Walking and sightseeing.
- Commuting.
- Outdoor events.
- Cabin and lodge stays.
- Ski and snow trips beneath appropriate outerwear.
- Everyday layered dressing.
Their suitability for a particular temperature depends on activity level, outer clothing, wind, humidity and individual sensitivity to cold. They are a lightweight insulating layer—not a guarantee of warmth in every condition.
Merino Wool and Moisture
Merino wool can absorb moisture vapor within the fiber while continuing to provide insulation. This is one reason Merino wool is widely used in clothing designed for changing temperatures and layered wear.
Polyester generally absorbs less water into the fiber and dries more quickly than wool. In this 50/50 construction, the two fibers contribute different characteristics.
We avoid describing the fabric as “moisture-proof” or promising that it will always remain dry. Comfort depends on activity, weather and the complete layering system.
Designed for Travel
At approximately 150 g, these leggings add relatively little weight to a suitcase, backpack or winter travel bag.
They can be packed as:
- A lightweight thermal layer for a cold destination.
- Backup warmth for unpredictable weather.
- A layer for overnight flights and long journeys.
- Thermal bottoms for skiing or mountain travel.
- A practical layer for hotels, cabins and colder indoor spaces.
The polyester component also supports shape retention and wrinkle resistance, which can be helpful when the leggings are repeatedly packed and unpacked.
OEKO-TEX® STANDARD 100
The Merino-wool-blend jersey fabric is produced according to OEKO-TEX® STANDARD 100.
OEKO-TEX® STANDARD 100 concerns textile testing for harmful substances. It should not be confused with an organic certification, an animal-welfare certification or a claim that the TITTIMITTI® brand itself is certified under every standard associated with a supplier.
TITTIMITTI® distinguishes the product’s exact composition, manufacturing origin and applicable textile standard rather than combining them into a broader unsupported claim.
Made in Turkey
These leggings are Made in Turkey.
TITTIMITTI® works with different specialist manufacturers according to the material, construction and capabilities required for each product. Our collection includes products manufactured in Italy, Turkey and Sri Lanka; we identify the actual origin instead of suggesting that every TITTIMITTI® product is made in the same country.
Learn more about our manufacturing relationships and how we distinguish material, manufacturer and finished-product documentation on the TITTIMITTI® Materials, Manufacturing & Traceability page.
How to Wear These Leggings
For everyday cold-weather layering, wear them beneath trousers or other sufficiently roomy bottoms.
For outdoor winter activities, combine them with outer layers appropriate for the actual temperature, wind and precipitation.
Explore the TITTIMITTI® Women’s Layers Collection for additional lightweight layers and natural-fiber clothing.
You can also browse the complete TITTIMITTI® Women’s Collection for women’s socks, tights, thermal layers and winter accessories.
Washing and Care
Machine wash gently in cold water, with an initial water temperature not exceeding 30°C / 85°F.
- Use a gentle or wool-appropriate cycle.
- Wash with similar colors.
- Use a mild detergent suitable for wool-blend garments.
- Do not use chlorine bleach.
- Do not tumble dry.
- Reshape while damp if necessary.
- Lay flat or hang carefully to air dry.
- Avoid high washing and drying temperatures.
Gentle washing and air drying help protect the wool-blend fabric, fit and appearance.
Product Details
Brand: TITTIMITTI®
Product: Women’s Merino-Wool-Blend Base-Layer Leggings
Composition: 50% Merino Wool, 50% Polyester
Fabric: Lightweight Merino-Wool-Blend Jersey
Approximate Weight: 150 g / 5.3 oz.
Rise: Mid-Rise
Fit: Slim, Layering-Friendly Fit
Waistband: Soft Elastic Waistband
Primary Use: Base Layer / Lightweight Thermal Bottoms
Additional Use: Lightweight Mid-Layer Over a Thin First Layer
Textile Standard: OEKO-TEX® STANDARD 100
Country of Manufacture: Turkey
Care: Gentle cold wash, maximum 30°C / 85°F; do not tumble dry
Product Transparency — Nothing Hidden
What these leggings contain:
- 50% Merino wool.
- 50% polyester.
What they are:
- Lightweight women’s thermal bottoms.
- Approximately 150 g / 5.3 oz.
- Mid-rise.
- Slim fitting.
- Made from jersey fabric.
- Produced according to OEKO-TEX® STANDARD 100.
- Made in Turkey.
What they are not:
- They are not 100% Merino wool.
- They are not heavyweight fleece leggings.
- They are not medical or compression clothing.
- They are not independently described here as organic-certified.
- They are not intended to replace weather-appropriate outerwear.
The product’s strength is its balance: meaningful Merino-wool content, practical polyester performance, lightweight 150 g construction and a slim shape designed for layering.
50% Merino wool. 50% polyester. Approximately 150 g. Lightweight warmth without unnecessary bulk.