Atec Sou'wester Products » High-Vis Item number:A-528011 #741 PRODUCT INFO Certificate: EN 343 3-1 Fabric description: Outer fabric: 170 g/m2 PU-coated polyamide (nylon); 45 % PU/55 % polyamide. Lining: Flannel Water resistance: 8,000 mm. Read about hydrostatic head here Size: S - XL - see size guide here Colours: Fl. yellow (741) DESCRIPTION Sou'wester Atec from Ocean is a High Vis rain hat with extended neck brim directing water away from and over your neck collar made from OEKO-TEX certified material. The front of the brim can be folded upwards to lead water away from your face. A tie-string makes it easy to fit the hat tight around your face. The sou’wester is lined with flannel. Available in the colour fl. yellow EN343:Certificate EN343 means breathable, wind and waterproof workwear and describes protection against rain. The first number indicates the water density, and the second number is the breathability of the overall product. The values range from 1-3, where 3 indicate the highest class.