Woot! is selling Under Armour Men's & Women's Polos for $19.99. However, log in to Woot.com with your Prime account and save an additional $2 bringing the price to $17.99 plus Free Shipping. , shipping is a flat $6 rate. Woot! is an Amazon company.
https://www.woot.com/plus/under-armour-polos-2
https://www.woot.com/plus/under-armour-polos-2