What fabric is this t-shirt made of?

It is made from Sio-Cool Light polyester with a weight of 130 g/m². The fabric wicks away moisture quickly and features antibacterial properties.

Does this shirt offer flame-retardant or arc flash protection?

No, this shirt is not flame retardant, not antistatic, and does not provide ARC protection.

What are the fit and sizing details for this item?

This model features a regular men's fit with short sleeves, a round neckline, and clothing size XXL.

How does this shirt provide ventilation during warm workdays?

The shirt features underarm mesh ventilation inserts to enhance airflow and keep you cool.

What high-visibility elements are included on this shirt?

It combines high-visibility fluorescent yellow fabric with flexible, stretchable reflective tape.

SIOEN OMERO 3885 signalisation t-shirt fluorescent yellow - 3885A2MC2FY12XL SIOEN 3885A2MC2FY12XL

Name: SIOEN OMERO 3885 signalisation t-shirt fluorescent yellow - 3885A2MC2FY12XL
Brand: SIOEN
SKU: 23451
Price: 31.29 EUR
Availability: InStock

Supplier number: SIOEN 3885A2MC2FY12XL | EAN 5415273118256

31.29 tax incl.

€25.86 excl. VAT (incl. all environmental contributions)

Clothing size *

Stock is shown per size

S In stock M In stock L In stock XL Unavailable XXL In stock 3XL On backorder 4XL On backorder

In stock On backorder Unavailable

On stock - immediately available | we have 5 products in stock.

Ordered before 20:00 - delivered tomorrow 07/11/2026
Shipping costs €11.99 VAT included | Free shipping for orders over a total amount of 125 euros
Delivery by DHL

↓ Documents (1) ✆ Talk to a specialist

Stay seen and comfortable with Sioen

Practical benefits

Enhanced high visibility protection: The fluorescent yellow fabric and stretch reflective stripes ensure you remain clearly seen on site.
Moisture wicking fabric performance: The lightweight Sio-Cool fabric draws perspiration away from your body to keep you dry and fresh.
Unrestricted natural body movement: Elastic reflective tape and soft construction adapt effortlessly to your body motions throughout the workday.

In a nutshell

The right choise for

Stay clearly visible and keep cool on the job with the Sioen Omero 3885 high-visibility t-shirt in size XXL. Designed with a men's fit and short sleeves, it features bright fluorescent yellow fabric paired with stretch reflective tape to keep you noticed by equipment operators on roadwork, logistics, and construction sites. The lightweight 130 g/m² Sio-Cool Light polyester wicks sweat away rapidly and offers antibacterial properties for lasting freshness. Underarm mesh ventilation panels promote constant airflow during intense physical tasks in warm weather. Flexible materials ensure unrestricted movement throughout your entire workday.

Product information FAQ

€31.29

In stock - tax incl.

Key features according to our expert

Antistatic: No
Color: Yellow
Application: General
Material (manufacturer): Sio-cool Light
Weight/m²: 130 g/m²
Arc flash protection: No
Colour (manufacturer): Fluorescent yellow
Thermally insulating: No
High visibility: Yes
Flame-retardant: No
Women/Men: Men
Sleeve length: Short
Material (T-shirt): Polyester

Product description

The Omero hi-vis T-shirt with short sleeves excels in its simplicity, but is anything but ordinary. This very light and airy T-shirt quickly drains absorbed moisture, keeping you fresh and dry. Its inherent antibacterial properties eliminate unpleasant odours. In addition, extra ventilation is provided via a mesh under the arms. The reflective strips on the T-shirt are stretchable and move smoothly with you.

Exterior

Round neck
Underarm ventilation
Stretchable reflective tape
Short sleeves

Materials

100% polyester birds eye; ± 130 g/m²

Washing instructions

Wash at or below 40°C (max 50x permanent press)
Do not bleach
Do not tumble dry
Do not iron
Do not dry-clean

Documents

⤓ Product sheet PDF

All Features

Antistatic: No
Color: Yellow
Application: General
Material (manufacturer): Sio-cool Light
Weight/m²: 130 g/m²
Arc flash protection: No
Colour (manufacturer): Fluorescent yellow
Thermally insulating: No
High visibility: Yes
Flame-retardant: No
Women/men: Men
Sleeve length: Short
Material (t-shirt): Polyester
Certification: Tested for harmful substances according to Oeko-Tex® Standard 100 (1112054/Centexbel)
Generic colour: High-vis yellow
Specific colour id: FY1
Model number: 3885
Specific colour label: High-vis yellow
Size id: 2XL
Range: High-visibility
Gender: Men
Standard: EN ISO 20471 : 2013 +A1 2016 / Class 2
Fabrics pipe separated: 100% polyester birds eye; ± 130 g/m²

Brand SIOEN
02643654
EAN 5415273118256
Supplier number SIOEN 3885A2MC2FY12XL

Frequently asked questions about this product

Answered by specialists

What fabric is this t-shirt made of?: It is made from Sio-Cool Light polyester with a weight of 130 g/m². The fabric wicks away moisture quickly and features antibacterial properties.
Does this shirt offer flame-retardant or arc flash protection?: No, this shirt is not flame retardant, not antistatic, and does not provide ARC protection.
What are the fit and sizing details for this item?: This model features a regular men's fit with short sleeves, a round neckline, and clothing size XXL.
How does this shirt provide ventilation during warm workdays?: The shirt features underarm mesh ventilation inserts to enhance airflow and keep you cool.
What high-visibility elements are included on this shirt?: It combines high-visibility fluorescent yellow fabric with flexible, stretchable reflective tape.

Questions about this product?

Our product specialists are happy to help with any questions about this range. Call, email or chat with us!

Chat with us

0800 0226 945 [email protected]