Quick Summary
The Portwest S378 is a hi-vis contrast short sleeve T-shirt with reflective detailing, designed as a two-tone high visibility top for working environments. It uses micro mesh Bird eye high visibility fabric and is described as having a generous fit with room for movement.
The listed material is 100% polyester Bird Eye Knit 150 g. The product also carries ANSI/ISEA 107 Type R Class 2, ANSI/ISEA 107 Type P Class 2 and EN ISO 20471 Class 2.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | Portwest. Useful for buyers matching this item with other Portwest workwear. |
| Model | S378. Helps confirm the exact garment variant. |
| Product type | Hi-vis contrast short sleeve T-shirt. The main garment type to compare against other workwear tops. |
| Colour style | Two-tone / contrast design. Relevant if a matching high-visibility look is needed. |
| Material | 100% polyester, Bird Eye Knit, 150 g. This is the stated fabric specification for the garment. |
| Fabric note | Micro mesh Bird eye high visibility fabric. A useful check if fabric feel and structure matter. |
| Standards | ANSI/ISEA 107 Type R Class 2, ANSI/ISEA 107 Type P Class 2, EN ISO 20471 Class 2. Important where a workwear standard matters. |
| Care | Wash at a maximum of 40°C with a mild process; do not bleach, tumble dry, iron or dry clean. Follow this to help preserve the garment. |
What to Compare Before Buying
- Fit: The garment is described as a generous fit, so check whether that suits the way you like work tops to sit.
- Visibility standard: Compare the listed classes with the standard your workplace or task requires.
- Fabric feel: The micro mesh Bird eye fabric and 150 g construction may matter if you want a lighter work T-shirt.
- Care routine: Make sure the care instructions suit how often you expect to wash and dry it.
Who This Product May Suit
This T-shirt may suit buyers looking for a short sleeve hi-vis work top with a contrast design, reflective detail and a stated Class 2 standard. It is relevant where a two-tone high visibility garment is preferred and where the stated fabric specification matters.
Common Buyer Questions
Does it have a short sleeve design?
Yes. It is a short sleeve T-shirt.
Which standards are listed?
ANSI/ISEA 107 Type R Class 2, ANSI/ISEA 107 Type P Class 2 and EN ISO 20471 Class 2.
How should it be cared for?
Wash at up to 40°C on a mild process, then line dry. Do not bleach, tumble dry, iron or dry clean.
Before You Decide
Confirm the S378 model, the two-tone short sleeve style and the listed standards before choosing an offer. If care instructions matter to you, check that the 40°C wash limit and no-tumble-dry requirement suit your routine.






