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Hi Visibility Fabrics

This extensive range of high visibility clothing meets the stringent requirements in both design and construction, to ensure that it meets the latest international high visibility standards EN ISO20471, ANSI/ISEA 107 and AS 4602.1.

If you need help or advice on anything to do with Hi Vis please call our knowledgeable customer support staff on 01226 215204 or email safetywear@bos4ppe.co.uk.


Portwest Extreme™ is a premium high performance rainwear fabric constructed from 100% Polyester, 300D Stretch Oxford 200g and offers superior comfort, function and endurance in all weather conditions.  Waterproof, breathable and windproof to the highest standards, this fabric far exceeds the requirements of EN 343 Class 4:4.


Made with 300 Denier 100% polyester yarn, this is a tough fabric for tough conditions. 300D 190g fabric has superb abrasion and tear resistance. The double coating of polyurethane (PU) on the inside makes the fabric durable and waterproof.  And the outer has a water and stain repellent coating which helps keep the garment clean.  300D Oxford Weave is available with both a breathable (300D Breathable) and non-breathable (300D Industry) double polyurethane coating.  



Sealtex™ Ultra is a highly breathable, high technology PU coated fabric, on a flexible 100% polyester tricot knit, 185g.  Sealtex Ultra meets high visibility standard EN ISO 20471.  Waterproof, windproof and breathable, we guarantee this range will keep you warm and dry in adverse conditions. The welded seams keep rain and wind out and the durable, stretchy fabric can easily be wiped clean, allowing the garments to look good and last for longer.


Cotton Comfort fabric is manufactured from a 55% cotton, 45% polyester 175g fabric with cotton on the inside for comfort and polyester on the outside for maximum durability. The cotton/polyester mix ensures that the fabric is highly breathable and that a comfortable temperature is maintained at all times.


The Vest-Port™ fabric is made from a durable 100% polyester warp knitted fabric which is fully certified to the latest high visibility standard.  The fabric is lightweight, comfortable and highly breathable.  It can be worn over layers to ensure total visibility without adding bulk.


PORTWEST EXTREME, SEALTEX and VESTPORT are trademarks of Portwest.