Mens S3 Long Bib Tights

The S3 Long Bib Tights are designed for cycling in cold, wet, and windy winter conditions.

When cycling, the front of the thighs and knees is constantly exposed to the wind. That is why the S3 combines a protective 3-layer fabric in the most exposed areas with more flexible materials where the body needs freedom of movement throughout the pedalling motion.

This makes them more than just a pair of warm, full-length cycling tights. The construction is specifically designed around the demands of winter cycling, balancing protection, movement, and temperature regulation.

We recommend the S3 Long Bib Tights for temperatures of approximately -5 to +10°C.

This range is a guideline. Perceived warmth depends on several factors, including training intensity, wind, humidity, individual sensitivity to cold, and which bib shorts or base layers you wear underneath the tights.

At the colder end of the range, the strong wind protection is particularly important. Towards the warmer end, training intensity and individual heat production become more significant factors.

Because your legs have different needs when cycling.

The front of the thighs and knees is directly exposed to the wind and therefore requires significant protection against wind and precipitation.

Other areas need greater flexibility to follow the movement of the knees and hips while helping the body manage heat and moisture during physical activity.

The S3 therefore features a function-specific zoned construction, rather than using the same heavy protective material throughout the entire leg.

For the rider, this means a high level of winter protection without unnecessarily restricting the pedalling motion.

The front fabric has been tested to a minimum hydrostatic head of 10,000 mm according to EN ISO 20811.

The hydrostatic head measures how much water pressure a material can withstand before water penetrates it.

A rating of 10,000 mm therefore demonstrates a high level of resistance to water penetration in the protective fabric itself.

The tights should be regarded as highly weather-protective winter cycling tights. The test result applies to the fabric and does not mean that the entire product is constructed as a fully waterproof garment with taped seams.

The front fabric achieves a spray test rating of 100.

This is the highest result on the scale used and demonstrates excellent resistance to surface wetting.

For winter cyclists, this means that rain, road spray, and changing winter conditions are less likely to immediately saturate the surface of the protected areas.

The front fabric has a documented air permeability of no more than 5 mm/s according to EN 9237.

This means that very little air passes through the material.

This is particularly important when cycling. At a speed of 30 km/h, for example, the rider is constantly moving through the air, and the continuous wind exposure can significantly cool the thighs and knees.

That is why wind protection is one of the most important differences between ordinary warm tights and dedicated winter cycling tights.

Yes.

The protective fabric has a documented Ret value of ≤18 m² Pa/W according to ISO 11092.

Ret describes a material's resistance to water vapour transfer.

The S3 is designed to balance winter protection with the body's need to release heat and moisture during physical activity.

That is why the membrane fabric is strategically placed in the areas where protection is needed most, rather than being used throughout the entire product.

Because they are designed as a modular winter layer.

The S3 is worn over the bib shorts you already prefer.
This allows you to keep the chamois and fit you know work well during three-, four-, or five-hour rides, while adding winter protection on top.

This is an important part of FUSION's philosophy behind the product:

Saddle comfort on the inside. Winter protection on the outside.
This also means you are not limited to one specific chamois simply because the temperature drops.

The S3 is specifically designed for this layering system.

Your regular bib shorts provide comfort and contact with the body and saddle. The S3 provides protection against wind, cold, and precipitation.

Each layer therefore has one clearly defined function, rather than relying on a single pair of winter bib tights to perform every task.

As temperatures drop, you can continue using your preferred bib shorts while adapting the outer protection to the weather conditions.

Because these areas work hard while being highly exposed to the wind.

The knees bend and extend thousands of times during a bike ride, while the front of the legs is constantly exposed to cold air.

The fabric must therefore perform two opposing tasks:

It must provide effective weather protection while moving naturally with the legs.

This is precisely why the S3 uses a flexible technical membrane fabric rather than simply adding a stiff protective outer layer.

The front fabric has been tested to a minimum of 20,000 Martindale cycles according to EN ISO 12947-2.

Martindale is a standardised testing method in which a fabric is subjected to repeated mechanical abrasion.

The fabric also achieves a pilling rating of 4 out of 5 after 7,000 rotations.

This means durability can be described using specific laboratory data rather than relying solely on general claims about the fabric being hard-wearing.

For a product designed for repeated winter training, this is an essential part of its overall performance.

The bib straps help keep the entire winter layer securely in place when the body is in a cycling position.

They also reduce the need for a tight elastic waistband and help keep the lower back and waist covered as the rider moves between seated, standing, and more aggressive riding positions.

On long winter rides, this is an important comfort feature: the tights should remain securely in the position they were designed for.

Yes.

The S3 features reflective details in relevant areas.

Where B-Flex reflective material is used, it consists of a reflective film containing glass microspheres that reflect incoming light back towards its source.

The B-Flex material has a documented reflective performance of R >420 cd/lux·m² and documentation according to standards including EN ISO 20471. This documentation applies to the reflective material itself and does not mean that the entire garment is certified as high-visibility clothing.

Reflective details are a supplement to proper bicycle lights and other visibility measures.

Yes.

OEKO-TEX® STANDARD 100 means that all components of the product have been tested for harmful substances.

This goes beyond the main fabric and includes relevant components such as threads, elastic, transfers, and labels.

For the rider, this provides a very tangible benefit: the S3 is a close-fitting garment that may be worn for many hours during physical activity, heat, and perspiration. That makes documented product safety at component level particularly relevant.

This is our health certification for the product.

OEKO-TEX® STeP stands for Sustainable Textile Production and focuses on the conditions at the production facility.

While STANDARD 100 primarily concerns the product itself and the person wearing it, STeP documents controlled processes in areas including chemical management, environmental management, occupational health and safety, and production conditions.

For the customer, this means that the S3 is manufactured under documented and controlled conditions.

STANDARD 100 and STeP therefore tell two different but complementary stories:

STANDARD 100: What am I wearing against my skin?

STeP: Under what conditions was it produced?

The specialised performance fabrics come from Europe, including Italian fabrics, and the product is manufactured in Lithuania.

This is particularly relevant for a technical product like the S3, because its functionality depends on more than just an attractive design. The membrane, flexibility, panel placement, and manufacturing must all work together when the product is exposed to hours of repeated movement and winter weather.

Yes.

The Digital Product Passport provides access to information about materials, origin, manufacturing, and the product's environmental impact, among other things.

FUSION works with product-specific life cycle calculations through Carbonfact, allowing the carbon footprint to be presented together with the methodology and underlying data.

This gives customers access to documentation at product level rather than relying solely on general statements about the brand.

Because the S3 is built as a specialised winter cycling garment rather than simply a thicker pair of long cycling tights.

The protective front fabric has documented performance characteristics including:

• Minimum 10,000 mm hydrostatic head
• Spray test rating of 100
• Maximum air permeability of 5 mm/s
• Ret ≤18 m² Pa/W
• Minimum 20,000 Martindale cycles
• Pilling rating of 4/5 after 7,000 rotations

In addition, the S3 features a zoned construction, flexibility for the pedalling motion, bib straps, reflective details, European performance fabrics, and manufacturing in Lithuania.

You also get OEKO-TEX® STANDARD 100, manufacturing at an OEKO-TEX® STeP – Sustainable Textile Production certified facility, and a Digital Product Passport.

You are therefore paying for a complete technical solution:

Weather protection + freedom of movement + documented durability + product safety + European manufacturing.

Many winter bib tights provide warmth through fleece, thicker fabrics, or additional insulation.

The S3 goes a step further by actively protecting against one of the factors that can make winter cycling particularly cold: the wind.

That is why the wind resistance of the front fabric is a central part of the construction.

The S3 is therefore not just about retaining warmth, but also about reducing the cooling effect of external conditions on the body.

At the same time, riders can continue using their preferred bib shorts and chamois underneath.

A 10,000 mm water resistance rating can also be found in other technical winter products.

The hydrostatic head rating alone is therefore not what makes the S3 special.

What makes it interesting is the complete set of documented performance characteristics:

Water resistance + surface water repellency + air permeability + breathability + abrasion resistance + pilling resistance + reflectivity + product safety.

Many technical products use terms such as "windproof", "water resistant", and "breathable".

With the S3, we can largely back up these claims with actual figures and testing standards.

Because we can document the performance characteristics on which the product is built.

Winter cycling tights must meet several opposing demands simultaneously. They must protect against wind and precipitation, keep the body comfortable in cold conditions, accommodate thousands of repeated pedalling movements, and withstand regular use throughout the winter season.

With the S3, we can provide specific data for several of the most important performance characteristics:

• ≥10,000 mm water resistance
• Spray test rating of 100
• ≤5 mm/s air permeability
• Ret ≤18
• ≥20,000 Martindale cycles
• Pilling rating of 4/5 after 7,000 rotations

But laboratory test results are only part of the story.

The product features a cycling-specific zoned construction, placing the strongest weather protection in the areas most exposed to the wind while maintaining flexibility where the legs need to move.

At the same time, riders can wear their preferred bib shorts and chamois underneath.

On top of that, the S3 offers OEKO-TEX® STANDARD 100, OEKO-TEX® STeP – Sustainable Textile Production, European performance fabrics, manufacturing in Lithuania, reflective details, and a Digital Product Passport.

It is this complete package that makes the S3 stand out:

Documented weather protection. Documented breathability. Documented durability. Cycling-specific freedom of movement. Modular comfort. Documented product safety.

There are winter bib tights that are warmer. There are models with an integrated high-end chamois. And there are products that may offer more extreme performance in individual areas.

The S3 is designed around something different:

To be a complete winter solution for riders who genuinely train throughout the entire winter.

That is why we believe the S3 Long Bib Tights belong among the world's best winter cycling tights.

We don't just describe what the product can do. We can show the data behind it.