Soltydog
Legendary Member
- Location
- near Hornsea
When I started working on the railways, someone asked why orange & not yellow hi-viz. The reason we were given was that orange stood out better against vegetation 
A combination of both would prob be best
A combination of both would prob be best
but I do hang retro-reflectors off my cycling rucksac for just this reason. They hang in space vertically but flap around which makes them pretty eye-catching when the reflectors on the rucksac are doing a good job for incoming aliens.