Get these Nike Men's Core Compression Short-Sleeve T-Shirts for $21 at SportsAuthority.com. Shipping is free with orders over $75; otherwise, standard shipping is $6.99. This is the best price we could find on these workout shirts by $7. They are lightweight, equipped with moisture-wicking Dri-FIT fabric and feature flatlock stitching to prevent irritation or chafing. Sizes Small-XXLarge are available in Black and Silver. Sales tax is charged in most states.