Fabric Composition :  Fabric surface: cotton 70.7% polyester 29.3% (including glue) Bottom layer: polyester fiber 97.9% spandex 2.1% (including rubber) Ribbed A: Polyester 68.99 Cotton 29.4% Spandex 1.70 Ribbed B: Polyester 98.6% Spandex 1.4%