Woot offers Amazon Essentials Men Short-Sleeve Cotton Pique Polo Shirt for $8.99 (reg. $16.90) free shipping with Amazon Prime. 

Product Description:
We listen to customer feedback and fine-tune every detail to ensure our clothes are more comfortable, higher quality, and longer lasting—at affordable prices for the whole family.
 

• SLIM FIT: Slim fit through the shoulders, sleeves, chest, and waist
• COTTON PIQUE: 100% Cotton pique offers texture and breathability
• VERSATILE POLO SHIRT: Perfect for casual outings, office wear, or golf course styling
• DETAILS: Ribbed collar and cuffs, two-button placket, side vents at hem, and durable double-needle stitching