Where is there a large range of Alpinestars / Other leathers

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As per the title - I'm after a pair of leather trousers, probably Alpinestars but would like to try on lots of pairs, with sliders.

I'm based near Maidenhead / Slough - any advice where to visit?

P.S. I'm 6' 4" tall so if they cater for the taller bloke then all the more better.

[reAnimate]

Rawwr said:

Hein Gericke have a reasonable range.

Hein Gericke have lost the plot recently - their latest range of jackets and trousers (I forget the ranges name but perfect for track days) have different zips so you can't zip em together (essential for track days) unless they make a "zip converter"
Also no built in slider velcro.

They are out of stock anyways.

[reAnimate]

again, a good idea but I still need to try it all on somewhere.
Where is that somewhere tho?
Ta