New non-transparent, double layer premium mesh polyester material, soft and breathable. Fully compliant with CSA Z96-09 Class 2, Level 2. Becomes CSA Class 3 when worn with Viking ankle / Arm bands. Fully compliant with ANSI/ISEA 107-2004 Class 3, Level 2. 2" 3M Scotchlite Reflective Materialin 4" WCB/Worksafe/DOT configuration. Left chest velcro sealed cell phone pocket & pen slot. Clip on straps on both chests for radio phone.