Hi Facing a Big Problem plz check it out

[souvik]

I am new prestashop user ...

Sir i have a prestashop website
http://www.uggboots4uk.com

see

Now i m facing problem in product attribute

like click any product available...
for example say
e

http://www.uggboots4uk.com/23-sand-classic-tall-ugg-boots.html

Now u can select from different product sieve available with different price

but which ever i select and add to cart.. only 75$ is adding for the product ...no attribute by adding

Pls check this issue

And help in asap ...

Regards Souvik