To make your own kiteboarding clothing simply permanently sow a pair of boardies over your wet suit.
i buy mine from kitesurf australia designs
www.ksadesigns.com/
the website is a bit slow at times but not bad threads
hey dude try kite elements its a local WA brand i wear thier gear out on the water and they make some good **** and sponsor alot of the local WA events so its good to support them i rekkon. Last time i needed to get in contact with them laurrie was kinda enough to send me daves email
Just got back from Choice kitseurf today (great shop!!) and can confirm they have a sh!te load of kite clothing (and one less harness, rashie and pair of booties
)