Portwest · SKU: 236264

Portwest S278 Class 3 Hi-Vis Cotton Comfort T-Shirt L/S

Portwest S278 Class 3 hi-vis long-sleeve T-shirt in Cotton Comfort fabric. EN ISO 20471 Class 3, 40+ UPF rated, UKCA marked, sizes XS to 4XL.

£9.58 each, ex VAT

£11.50 inc VAT

Ships in 1 to 2 working days

Colour: Orange

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Made in the UK
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Safety Standards

EN Standards

Hi-Vis Class: Class 3

Waterproof Rating: Not Waterproof

Thermal Rating: Not Thermal Rated

Logo Printing Available: Yes

Embroidery Available: Yes

Cotton comfort, Class 3 certified

Cotton-rich comfort

High cotton content Cotton Comfort fabric wicks moisture while feeling soft against the skin.

Class 3 visibility

EN ISO 20471 Class 3 certified, the highest hi-vis class, tested to hold up after 50 washes.

Rail-ready in orange

Meets RIS 3279-TOM Issue 2 for rail work when you choose the orange colourway.

Full arm coverage

Long sleeves and a comfort fit give full-arm protection for cooler shifts.

Sun protection built in

40+ UPF fabric blocks around 98% of UV rays for outdoor work.

Overview

Portwest S278 Class 3 Hi-Vis Cotton Comfort T-Shirt - Overview

The Portwest S278 Class 3 Hi-Vis Cotton Comfort T-Shirt L/S is a long-sleeve, EN ISO 20471 Class 3 T-shirt for roles needing full-arm hi-vis coverage. Cotton Comfort fabric combines a high cotton content with moisture-wicking performance for comfort through a full shift.

3class

EN ISO 20471 hi-vis class

40+UPF

UV protection rating

8sizes

Size range, XS to 4XL

50washes

Hi-vis rating tested to

Dimensions
Size range	XS to 4XL
Fit	Comfort fit

Details
Fabric	Cotton Comfort, moisture-wicking
Hi-vis class	EN ISO 20471 Class 3
Rail compliance	RIS 3279-TOM Issue 2 (orange only)
UV rating	40+ UPF, blocks around 98% of UV rays
Waterproof rating	Not waterproof
Thermal rating	Not thermal rated
Gender	Unisex
Colours	Orange, yellow
Sizes	XS to 4XL
Certification	CE certified, UKCA marked

Frequently asked questions

Is Class 3 needed for rail platform work?

Not always, but the higher reflective coverage of Class 3 suits higher-risk roles such as rail platforms and trackside work, especially in the orange colourway, which carries RIS 3279-TOM Issue 2 approval.

What sizes does this come in?

The S278 is stocked in orange and yellow, sized from XS up to 4XL.

Does the fabric feel like a normal cotton T-shirt?

Cotton Comfort blends a high cotton content with moisture-wicking performance, so it feels closer to a standard cotton tee than a technical polyester hi-vis garment.

Does it carry UKCA marking as well as CE?

Yes. It is both CE certified and UKCA marked, so it is covered for sale and use across the UK.

Can I get this branded for my team?

Yes. Embroidery and printed logo branding are both available, making it suitable for corporate and fleet uniforms.

Will it keep me warm in winter?

It is not thermally rated. The long sleeves give more coverage than a short-sleeve tee, but it is not insulated, so layer it under a jacket or over a thermal base layer in cold weather.

Can I wear this in the rain?

The S278 is not waterproof, so pair it with a waterproof jacket in wet conditions.

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Portwest S278 Class 3 Hi-Vis Cotton Comfort T-Shirt L/S