Fabrics:
* Body: 2-ply 100% recycled polyester
* Lining: 3.1-oz 100% recycled polyester fleece

Specs:
* 60 g - 2.1 oz
* One Size Fits All

Features:
* Made from a skin-friendly 100% recycled polyester knit with a cozy recycled polyester fleece lining
* The 100% recycled polyester fleece lining wicks moisture and dries quickly
* Provides extra protection and comfort for the ears and the forehead without overheating your head
* Lining fabric is certified as bluesign® approved
* Fair Trade Certified™ sewn, which means the people who made this product earned a premium for their labor