Loom-state (un-shurink resistant finish) Denim is used, This VINTAGE series is sewen by 0 's yarn (thickest), and no decoration on back pockets.This model is a genuine solid Jeans. Dyed by only Darkest Indigo blue. 15.7oz Darkest Indigo Blue Denim Jeans, this Model has soft and comfortable fit as character of "ZIMBABWE COTTON" as well as heavy and tuff character like a original denim. It is called "Darkest Indigo Blue Denim" but it still keep un-dyed core part of yarn. So you can enjoy hard and deep shade abrasion. "ZIMBABWE COTTON" is long staple cotton, that's why possible to deliver sensitive detail abrasion ! Not as like ordinary hevy oz denim.