The nylon webbing belts can be found most anywhere, including surplus stores in varying quality. As for the suspenders I know Blackhawk makes them in black, but they are an H-harness not the Y-harness like the older US military issue suspenders. I seen a bunch on eBay-
http://cgi.ebay.ca/Blackhawk-Load-Be...ht_2294wt_1106 I hope that helps