Onyx

A matte black shop for headphones, gadgets and anything with a spec sheet: black bands with rounded corners under a black header, big medium-weight headlines in Mona Sans, products on soft grey cards three to a row, and a dark product page. Based on the Techware X design by BRIX Templates (CC BY 4.0).

Trying it is free and lasts as long as you like. You buy it when you are ready to open your shop to the public.

Support from the developer within two business days, from Design, Themes in your dashboard once it is on your shop.