Not all clothes shops, but these are some I use which I think are worth a mention...
For head-wear, this is a great shop; Hats & Caps - Mens Hats, Womens Hats, Beanies, Flat Caps and Winter Hats - Village Hats
For smelly stuff & great beard oil; Perfumes for Women & Men | Luxury Gifts and Fragrances | Penhaligon's
Affordable Umbrellas; Men's - Shop - www.fultonumbrellas.com
A good value Italian brand; http://www.morato.it/on/demandware.store/Sites-morato-Site/en/Home-Show