Thanks for the top responses gents (and lady).
Looking at heading out in march/april and heading to Laos, Vietnam: Phu Quoc, Ko Sukorn and going from whats been said, my backpack will contain:
– Convertible Ultimate Cargos
– ultra T
– polo plus
– seersucker shirt
– goa top
– a kway pack-a-mac in case of any ’showers’
– cool trunks!
– a pair of speedos (not really)
Just need to decide on footwear, as would like to do some treking…