The "abiti" could be anything really, but the "molto costruiti" I'd go for "very structured".
Try googling it with various combinations of "suit/gown/dress/clothes" and see what you get.

or styles

Fashion of the year 2000
... feminine and highly constructed styles, took an exciting new direction with ... Fashion of the Year 2000 selection of seven garments and accessories was ...
www.powerhousemuseum.com/previous/fashion_of_the_year_2000....

Please return the garment to Wrangler Quality Control, 1421 South Elm St., ... Aura From The Women At Wrangler™ jeans are so highly constructed that for a ...
www.aurafromthewomenatwrangler.com/aur_contact.php

The 1940s bandeau is highly constructed and relies on darts and multiple layers of ... at fastening and unfastening the garment, while not exposing herself. ...
www.bikiniscience.com/costumes/soutien-gorge_SS/bandeau_S/b...

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Note added at 18 mins (2006-10-17 10:34:41 GMT)
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RAI: AT 2004
Such tailors play an important role in fulfilling clothing needs and desires that ... fitted or loose tops, elaborate trim, and highly constructed sleeves. ...
www.therai.org.uk/pubs/at/contents/2004.html

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Note added at 19 mins (2006-10-17 10:36:07 GMT)
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There's a new wave of really tailored, very constructed clothing, and it is about the techniques and the mechanics, and that is an influence you see with ...
www.kenyanewsnetwork.com/artman/publish/article_955.shtml

or garments

molti riscontri alla definizione