Shirts by Theory Add to WardrobeRemove from Wardrobe FavoriteUnfavorite Shop It Outfits Sort by featured Sort by price: high to lowSort by price: low to high Theory Sylvain Slim Fit Shirt $177 Theory Grey Clyfford Shirt $295 Theory Irving Checked Long Sleeve Shirt $141 Theory Irving Flanella Check Button Up Shirt $112 $225 Theory Irving Flanella Check Button Up Shirt $135 $225 Theory Irving Windham Twill Button Up Shirt $225 Theory Irving Windham Twill Button Up Shirt $78 $225 Theory Irving Slim Fit Overdyed Plaid Button Up Shirt $90 $225 Theory Irving Slim Fit Overdyed Plaid Button Up Shirt $225 Theory Sylvain Nd Structure Knit Button Up Shirt $123 $165 Theory Sylvain Nd Structure Knit Button Up Shirt $123 $165 Theory Sylvain Slim Fit Shirt $257 $367