Mobile phone/walkie-talkie pocket to front left chest. Yoko Hi Vis Open Mesh Vest - | Freezer Work Wear Clothing Yoko Hi Vis Workwear Yoko YK006 Top Cool Open Mesh Hi- Vis Vest Yoko Official Website Material: 100% Polyester. Fabric: Knitted, Mesh. Design: Contrast. 110gsm. Conforms to Safety Standard: ANSI/ISEA 107-2004, EN ISO 20471: 2013 A1: 2016... Multiple pockets and radio loop provide superb convenience. Yoko Mens Cool Mesh Hi-Vis Safety Vest (3XL) (Hi Vis Orange) ; £11.39 ; FREE delivery Friday, 14 November. Order within 15 hrs 11 mins. Details ; Quantity Breathable lightweight mesh knitted fabric.