What Is The Difference Between Stretch Skinny Jeans And Skinny Jens What Is The Difference Between The Three Washes For The Erin Skinny Jean At Abercrombie & Fitch?

What is the difference between the three washes for the Erin skinny jean at Abercrombie & Fitch? - what is the difference between stretch skinny jeans and skinny jens

Erin Skinny Jeans A & F is presented in three different washes. It is a black lava (98% cotton and 2% spandex), Dark Stretch (98% cotton and spandex 2%), and dark rinse stretch (78% cotton and 22% polyester.) Why is the black stretch dark wash out differently if both are 2% spandex? Furthermore, how does polyester affect the way jeans? Is it elastic and spandex? I thought it was cheap polyester Halloween costumes for ...