These tees are super comfy!  A bit thicker than the normal summertime membership tees.  
 
6.1 oz./yd² (US), 10 oz/L yd (CA), 100% ring-spun cotton, 30 singles
Garment-dyed for that lived in feel and almost no shrinkage at home.
Soft ring-spun cotton fabric with 100% cotton threads
Relaxed fit
Topstitched, classic width, rib collar
Shoulder to shoulder twill tape
Signature twill label