Neck Gaiter - Run Rugged Running Club

Sizing: 
Small: 8.5" x 9.5".  Recommended for Youth or Petite Individuals
Medium/Large:  9.5" x 10".  Recommended for Most Adults
XL: 10.25 x 10".  Recommended for Bigger face/head/neck sized Adults. 

(Some manufacturer variance does occur and is normal) 

Material details: 
84% polyester, 16% spandex.