These are made by TacShield which are the USA's biggest supplier of base exchange ( PRI/NAFFI ) kit to US troops.  These would have been purchased as an addition uniform from the base exchange to compliment extra kit 

These are flame resistant Normex as denoted by the nylon square , I've handled a lot of scorpion kit and you don't seem to get FR trousers and jackets, multicam yes but scorpion few and far between. 

Size :

S-S , I presume small short 

32 inch waist 
32 inch inside leg 

Condition :

light use 

Features :

2 x hand pockets 
2 x rear 
2 x cargo 
2 x ankle