KX3 Portwest KX3 is a superior line of trend-led apparel combining quality construction to the highest standards and technical fabrics. Key characteristics within this collection include abrasion resistance, moisture management and stretch fabrics for sustained agility and effortless movement. All KX3 garments have been designed to fully complement each other to allow a personal layering system to be built. A perfect solution for modern workwear. Portwest All Weather Protection is engineered with exceptional fabrics and designs, allowing an easy transition between work and leisure. Tested to withstand the rigours of everyday wear, each garment has been designed and manufactured using the best quality materials and high technology construction techniques to ensure total satisfaction with wear after wear.