Jiffy Shirts
Details: Free Shipping with $59+
ScotteVest
Details: Scottevest has a secret "Sale of the Day" page on which they will on (MOST) days feature 1 item at around 20% off. They dont feature an item EVERY day, but the vast majority of days you will find an item listed at 20% off. The page is at http://www.scottevest.com/v3_store/subindex_new_on_sale.shtml ... make sure to bookmark it!
Crazy Shirts
Details: Shop the End of Season Clearance Sale
AFFLICTION
Details: Free Shipping on All Domestic US Orders with any purchase of $95 or more. Expires 12/31/2013
Spiritual Gangster
Details: Get Free Shipping on Orders Over $100
Fleurty Girl
Details: 50% Off Select Hats
InkAddict
Details: 10% OFF TOTAL ORDER
The Shirt
Details: Up to 38% Off Select Silk Blouses Plus Free Shipping
Charles Thyrwhitt
Details: Save 5% Extra on $250, Save 10% Extra on $750, Save 15% Extra on $1500
UNTUCKit
Details: Up to 37% Off Select Button Downs
Sharpshirter
Details: 10% off entire order
Jacks&Jokers Clothing
Details: Get 10% off all orders plus free ground shipping on any order over $100.
Ice Clothing
Details: Get 15% discount.
Those Shirts
Details: 35% Off In The Spotlight Sale T-Shirts
The Celtic Clothing Company
Details: 10% off Internet order
iLTHY
Details: 30% Off
Red Tuna Shirt Club
Details: $10 Off the first month of any new membership ends on 10/25/11
Fashionoutfitter
Details: 20% Off on Designer Mens Ties/Neckties
My T-Shirt Designs
Details: 15% Off T-Shirts and Sweatshirts plus Free Shipping on Orders over $50
Yellow Bird Project
Details: 15% off with Code
Skinny Water Culture
Details: 30% Off
SafetyVests.com
Details: $5 off any order over $50 - Ends 1/1/2012