The PULSAR P458 PROTECT HV Yellow Long Sleeve Polo Shirt is an advanced, high-visibility garment designed for both safety and comfort in various working environments. 

Key features include:

1. Thermally Applied Stretchy Reflective Tape: This enhances visibility in low-light conditions, ensuring the wearer is seen and safe. The reflective tape is flexible, allowing for ease of movement.
   
2. Added Moisture Wicking Treatment: This feature helps in managing sweat, keeping the wearer dry and comfortable during intense physical activity or in warm conditions.
   
3. Extended Back Length: This design aspect offers additional coverage, especially when bending or stretching, ensuring that the lower back is always protected and covered.
   
4. Underarm Open Mesh Ventilation: A critical feature for breathability, this allows for better air circulation, reducing heat build-up and maintaining comfort throughout the day.
   
5. Grey Collar and Cuffs with Contrast Tipping, Plus Grey Placket: These details add a stylish touch to the functional garment, making it aesthetically pleasing while maintaining its practicality.
   
6. Fabric Composition: Made from breathable 100% polyester bird-eye knit, this fabric is lightweight and comfortable. The added moisture-wicking treatment enhances its ability to keep the wearer dry.
   
7. EN Standards Compliance: The shirt meets the EN ISO 20471 Class 3 standards, which is the highest level of visibility, making it an ideal choice for working environments that require high visibility for safety.