B Strong Boston Strong Women's Competition Navy Running Shirt 100% Polyester Run or Train in Maximum Comfort with this Lightwight 3.8 oz 100% Polyester Competition Tee Sizes Small - 4XL This Shirt Has a Roomy Athletic Cut and Controls Sweat Like a Champ! Imported by Sport-Tek Printed in the USA, Removable Tag for Comfort Free Standard Shipping. Need it Faster, Select Expedited at Checkout Easy Returns & Exchanges. Order the Next Larger Size If Your Current Shirt is Tight & You Want More Room