class 1 high-visibility addvis hh t-shirt

This Helly Hansen Workwear t-shirt is certified EN ISO 20471:2013 Class 1 and certified EN ISO 13758-2_2003+A1:2006: UPF40+, which means it meets the minimum visibility requirements for high visibility clothing worn in high-risk work environments. high risk. Class 1 certification means it is intended for clothing that is applied in low-speed, low-traffic areas.

On the other hand, the EN ISO 13758-2_2003+A1:2006 certification establishes the requirements for sun protection clothing. The standard defines the ability of a fabric to block ultraviolet rays and is expressed as an ultraviolet protection factor (UPF). In this case, the UPF40+ certification indicates that the fabric has a very high protection capacity against UV rays, with an ultraviolet protection factor equal to or greater than 40.

As extras, it also features 4-way stretch fabric.