The answers to the clues below will have something in common.

1. Know-it-all
2. Wintry region
3. Painter's initial application
4. Vehicle stoppers
5. Legal case
6. Train track's cross brace
7. Pompous sort
8. Stinging insect

Answers:

1. Smarty pants
2. Frost belt
3. Prime coat
4. Brake shoes
5. Civil suit
6. Railroad tie
7. Stuffed shirt
8. Yellow jacket - - - items of clothing 

Credit:
Gail Grabowski
WHAT AND WEAR