EZ Cool FR Treated Hi Viz Hard Hat Visor and Neck Shade mobile What is the difference between

What is the difference between this and the 4

Everything you trust about the K1 Series Mid-Sole Original but designed for boots and safety shoes with low arches

one-handed clip-in and clip-out

What sizes is this harness available in

Meets DOT (Department of transportation) standards

EZ Cool FR Treated Hi Viz Hard Hat Visor and Neck Shade mobile What is the difference betweenThe EZ Cool FR Treated Hi Viz Hard Hat Visor and Neck Shade offers extended sun protection for workers with its front visor and back drape. The high visibility fabric and silver reflective tape helps increase worker visibility. With FR treatment for up to 25 washes, this shade fits most hard hats for secure and comfortable wear. CARE INSTRUCTIONS Machine or hand wash in cold water. Air dry. Do not iron, dry clean or use bleach. FR treated up to 25