Try here: http://jeans.pbwiki.com/JeanPocketProject or here: http://www.CarpeDenim.se
The designer jeans you're describing are likely from the brand True Religion. They are known for their distinctive "U" logo on the back pocket, and many styles feature a folded-down corner that is sewn for added flair. True Religion jeans are popular for their unique stitching and premium denim quality.
Citizens of Humanity
rock & republic
I think your thinking of MEK denim. They are like my favorite jeans.
Aqua By Aqua
BAPE
Wranglers ? ps: skinny girls rule !
Wrangler or Wayna.
jeans usually come with 5 pockets; two in the back, two main ones in the front and a small inner pocket in the left front pocket.
oh.my.god! i want to know too!
The Levi's jeans featuring a triangle tag at the back pocket are known as Levi's 501. This iconic model is recognized for its classic straight-leg fit and button fly design. The triangle tag is part of Levi's signature branding, adding to the distinctive look of these timeless jeans.
Citizen of Humanity makes special jeans with a twisted "H" signature at each back pocket of their denim jeans. They make jeans for men and women. Their jeans are "great universal fit" and you can rely on their sizes to be correct.