Clothes vocabulary

Where to find more clothes vocabulary? In online shops, of course.

Please browse through the following shops and answer these questions:

1- What's a hoodie?
2- What's denim?
3- What's a waistcoat?
4- Why do we end these words with "wear"?: swimwear, knitwear, leisurewear, nightwear, footwear...

Men's catalogues
Burton
Marks & Spencer
JcPenney
Saks Fifth Avenue
Bhs

Women's catalogues
Debenhams
Top Shop
Saks Fifth Avenue
Dorothy Perkins
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