Is this T-shirt suitable for high-visibility work environments?

Yes, this hi-vis T-shirt in fluorescent yellow features reflective tape to ensure clear visibility on the job.

What material is the Sioen 3885 Omero T-shirt made of?

It is made of lightweight Sio-Cool Light polyester with a fabric weight of 130 g/m², offering breathable and quick-drying comfort.

Does this T-shirt provide flame-retardant or antistatic protection?

No, this shirt is not flame-retardant, not antistatic, and does not offer arc flash protection. It is designed solely for high visibility.

How does this model provide ventilation in warm conditions?

In addition to the lightweight, moisture-regulating fabric, the T-shirt features underarm mesh inserts for improved airflow.

What size and fit does this T-shirt have?

This is a men's fit in size M, designed with short sleeves, a crew neck, and stretchable reflective tape for flexible movement.

SIOEN OMERO 3885 signalisation t-shirt fluorescent yellow - 3885A2MC2FY1M SIOEN 3885A2MC2FY1M

Name: SIOEN OMERO 3885 signalisation t-shirt fluorescent yellow - 3885A2MC2FY1M
Brand: SIOEN
SKU: 23451
Price: 31.29 EUR
Availability: InStock

Supplier number: SIOEN 3885A2MC2FY1M | EAN 5415273118225

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 as of 05/10/2026
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 comfortably dry

Practical benefits

High visibility on site: The Sioen 3885 warning T-shirt ensures you stay clearly visible throughout the working day.
Fresh and breathable performance: The lightweight moisture-wicking polyester fabric keeps you dry and comfortably fresh in demanding conditions.
Unrestricted freedom of movement: Stretch reflective stripes and underarm ventilation allow the garment to adapt smoothly as you work.

In a nutshell

The right choise for

With the Sioen Omero 3885 hi-vis T-shirt, you stay safe, visible, and comfortable during demanding outdoor work. The bright fluorescent yellow fabric and stretchable reflective tape ensure you stand out clearly on road construction sites and logistics yards. Crafted from lightweight 130 g/m² Sio-Cool Light polyester, this shirt wicks away moisture quickly, while underarm mesh panels deliver extra ventilation when temperatures rise. Its flexible men's fit in size M moves easily with your body, keeping you fresh and focused on the job all day long.

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
Thermal: 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
Thermal: 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: M
Range: High-visibility
Gender: Men
Norm: EN ISO 20471 : 2013 +A1 2016 / Class 2
Fabrics pipe separated: 100% polyester birds eye; ± 130 g/m²

Brand SIOEN
02643649
EAN 5415273118225
Supplier number SIOEN 3885A2MC2FY1M

Frequently asked questions about this product

Answered by specialists

Is this T-shirt suitable for high-visibility work environments?: Yes, this hi-vis T-shirt in fluorescent yellow features reflective tape to ensure clear visibility on the job.
What material is the Sioen 3885 Omero T-shirt made of?: It is made of lightweight Sio-Cool Light polyester with a fabric weight of 130 g/m², offering breathable and quick-drying comfort.
Does this T-shirt provide flame-retardant or antistatic protection?: No, this shirt is not flame-retardant, not antistatic, and does not offer arc flash protection. It is designed solely for high visibility.
How does this model provide ventilation in warm conditions?: In addition to the lightweight, moisture-regulating fabric, the T-shirt features underarm mesh inserts for improved airflow.
What size and fit does this T-shirt have?: This is a men's fit in size M, designed with short sleeves, a crew neck, and stretchable reflective tape for flexible movement.