BDU six-pocket US combat shorts. Excellent for hot weather use.
Many colours available. Ripstop cotton fabric, which is hard-wearing and lightweight. Some patterns vary from ripstop to NYCO, which is a slightly heavier duty fabric.

Adjusters on waist. Sizing as per the BDU trousers:

Small = waist 27" - 31"
Medium = waist 31" - 35"
Large = waist 36" - 39"
XL = waist 39" - 42"
XXL = waist 43" - 46"
XXXXL = waist 46" - 50"