550 Paracord Sling. Its not a DIY but it's also not that expensive and if you are already handy with knots and paracord, you could make this by studying the patterns.
Resene Half Fuscous Grey is a warm smoke grey, dense and smartly formal. From the Resene Karen Walker Paints colour range. Try a Resene testpot or view a physical sample at your Resene ColorShop or Reseller before making your final colour choice.