Hi Viz
Some don't use it - some don't like it - but it is a safety thing which can make it safer for horse and rider on the roads. Making you more visible to traffic giving you extra time for you to be seen.
http://www.fabricuk.com/fabrics/395-airtech-mesh-fabric.html
http://www.parsonsrump.co.uk/
http://www.totally-tack.co.uk/acatalog/Mesh_yellow_horse_continental_exercise_sheet.html?gclid=CPCC2NCKtr4CFSGWtAod_yYAVw
http://www.hivizequestrianwear.co.uk/
http://www.v-bandz.co.uk/
http://www.equinesuperstore.co.uk/riding-clothing-and-equipment/reflective-clothing.html?gclid=CjwKEAiAvauyBRDwuYf3qNyXmW4SJACX9-fXnEn8aiMAA59duIB2ijJQbnC4mBtLauU0ydik0CzSXhoCBo3w_wcB
http://www.provizsports.com/en_gb/horse-riding-safety-wear
http://www.highvisibility.uk.com/
http://www.unicornleather.co.uk/locatas.html
http://www.totalhorse.co.uk/collections/reflective
http://www.hawthorndigital.co.uk/galleries/shop-hiviz.htm
http://www.parsonsrump.co.uk/
http://www.totally-tack.co.uk/acatalog/Mesh_yellow_horse_continental_exercise_sheet.html?gclid=CPCC2NCKtr4CFSGWtAod_yYAVw
http://www.hivizequestrianwear.co.uk/
http://www.v-bandz.co.uk/
http://www.equinesuperstore.co.uk/riding-clothing-and-equipment/reflective-clothing.html?gclid=CjwKEAiAvauyBRDwuYf3qNyXmW4SJACX9-fXnEn8aiMAA59duIB2ijJQbnC4mBtLauU0ydik0CzSXhoCBo3w_wcB
http://www.provizsports.com/en_gb/horse-riding-safety-wear
http://www.highvisibility.uk.com/
http://www.unicornleather.co.uk/locatas.html
http://www.totalhorse.co.uk/collections/reflective
http://www.hawthorndigital.co.uk/galleries/shop-hiviz.htm
recomend these
http://www.v-bandz.co.uk/category-23/FLL.html
http://www.v-bandz.co.uk/category-23/FLL.html
Pet Tags
www.jmrt.co.uk/locata.htm
https://www.pettags.co.uk/saddle-name-plates
https://idhashtags.co.uk/idhashtags.co.uk/