diff --git a/src/main/java/org/takes/facets/slf4j/BkLogged.java b/src/main/java/org/takes/facets/slf4j/BkLogged.java
index f3e29cfba..367ca8fca 100644
--- a/src/main/java/org/takes/facets/slf4j/BkLogged.java
+++ b/src/main/java/org/takes/facets/slf4j/BkLogged.java
@@ -48,7 +48,7 @@ public final class BkLogged extends LogWrap implements Back {
      * @param back Original
      */
     public BkLogged(final Back back) {
-        this(back, LogWrap.Level.TRACE);
+        this(back, LogWrap.DEFAULT_LEVEL);
     }
 
     /**
@@ -66,7 +66,7 @@ public void accept(final Socket socket) throws IOException {
         final long started = System.currentTimeMillis();
         this.origin.accept(socket);
         this.log(
-            "[%s] #accept(%s) in [%d] ms",
+            "[{}] #accept([{}]) in [{}] ms",
             this.origin,
             socket,
             System.currentTimeMillis() - started
diff --git a/src/main/java/org/takes/facets/slf4j/FtLogged.java b/src/main/java/org/takes/facets/slf4j/FtLogged.java
index c60ebfb25..0c35a531a 100644
--- a/src/main/java/org/takes/facets/slf4j/FtLogged.java
+++ b/src/main/java/org/takes/facets/slf4j/FtLogged.java
@@ -48,7 +48,7 @@ public final class FtLogged extends LogWrap implements Front {
      * @param front Original
      */
     public FtLogged(final Front front) {
-        this(front, LogWrap.Level.TRACE);
+        this(front, LogWrap.DEFAULT_LEVEL);
     }
 
     /**
@@ -64,7 +64,7 @@ public FtLogged(final Front front, final LogWrap.Level lvl) {
     @Override
     public void start(final Exit exit) throws IOException {
         this.log(
-            "[%s] #start(%s)",
+            "[{}] #start([{}])",
             this.origin,
             exit
         );
diff --git a/src/main/java/org/takes/facets/slf4j/LogWrap.java b/src/main/java/org/takes/facets/slf4j/LogWrap.java
index 0e3dec834..1827e3c0e 100644
--- a/src/main/java/org/takes/facets/slf4j/LogWrap.java
+++ b/src/main/java/org/takes/facets/slf4j/LogWrap.java
@@ -35,8 +35,12 @@
  * @version $Id$
  * @since 0.11
  */
-@SuppressWarnings({ "PMD.CyclomaticComplexity", "PMD.LoggerIsNotStaticFinal" })
+@SuppressWarnings("PMD.LoggerIsNotStaticFinal")
 public class LogWrap {
+    /**
+     * Default log level.
+     */
+    public static final LogWrap.Level DEFAULT_LEVEL = LogWrap.Level.DEBUG;
     /**
      * Log levels.
      */
@@ -58,9 +62,9 @@ public enum Level {
          */
         WARN,
         /**
-         * Severe level.
+         * Error level.
          */
-        SEVERE
+        ERROR
     };
 
     /**
@@ -73,6 +77,14 @@ public enum Level {
      */
     private final transient Logger logger;
 
+    /**
+     * Ctor.
+     * @param clazz Logger class
+     */
+    public LogWrap(final Class<?> clazz) {
+        this(clazz, LogWrap.Level.DEBUG);
+    }
+
     /**
      * Ctor.
      * @param clazz Logger class
@@ -87,28 +99,26 @@ public LogWrap(final Class<?> clazz, final LogWrap.Level lvl) {
      * Log message.
      * @param format Format string
      * @param param Parameters
-     * @checkstyle CyclomaticComplexityCheck (2 line)
      */
     public final void log(final String format, final Object... param) {
-        if (this.level == LogWrap.Level.TRACE
-            && this.logger.isTraceEnabled()) {
-            this.logger.trace(String.format(format, param));
-        } else if (
-            this.level == LogWrap.Level.DEBUG
-                && this.logger.isDebugEnabled()) {
-            this.logger.debug(String.format(format, param));
-        } else if (
-            this.level == LogWrap.Level.INFO
-                && this.logger.isInfoEnabled()) {
-            this.logger.trace(String.format(format, param));
-        } else if (
-            this.level == LogWrap.Level.WARN
-                && this.logger.isWarnEnabled()) {
-            this.logger.warn(String.format(format, param));
-        } else if (
-            this.level == LogWrap.Level.SEVERE
-                && this.logger.isErrorEnabled()) {
-            this.logger.error(String.format(format, param));
+        switch (this.level) {
+            case TRACE :
+                this.logger.trace(format, param);
+                break;
+            case DEBUG:
+                this.logger.debug(format, param);
+                break;
+            case INFO:
+                this.logger.info(format, param);
+                break;
+            case WARN:
+                this.logger.warn(format, param);
+                break;
+            case ERROR:
+                this.logger.error(format, param);
+                break;
+            default:
+                throw new IllegalArgumentException("Unknown log level");
         }
     }
 }
diff --git a/src/main/java/org/takes/facets/slf4j/PsLogged.java b/src/main/java/org/takes/facets/slf4j/PsLogged.java
index 045fad87e..b625c6714 100644
--- a/src/main/java/org/takes/facets/slf4j/PsLogged.java
+++ b/src/main/java/org/takes/facets/slf4j/PsLogged.java
@@ -53,7 +53,7 @@ public final class PsLogged extends LogWrap implements Pass {
      * @param pass Original
      */
     public PsLogged(final Pass pass) {
-        this(pass, LogWrap.Level.TRACE);
+        this(pass, LogWrap.DEFAULT_LEVEL);
     }
 
     /**
@@ -80,7 +80,7 @@ public Iterator<Identity> enter(final Request request) throws IOException {
         }
         sbr.append(']');
         this.log(
-            "[%s] #enter(%s) return [%s] in [%d] ms",
+            "[{}] #enter({}) return [{}] in [{}] ms",
             this.origin,
             request,
             sbr.toString(),
@@ -95,7 +95,7 @@ public Response exit(final Response response, final Identity identity)
         final long started = System.currentTimeMillis();
         final Response resp = this.origin.exit(response, identity);
         this.log(
-            "[%s] #exit(%s,%s) return [%s] in [%d] ms",
+            "[{}] #exit([{}],[{}]) return [{}] in [{}] ms",
             this.origin,
             response,
             identity,
diff --git a/src/main/java/org/takes/facets/slf4j/TkLogged.java b/src/main/java/org/takes/facets/slf4j/TkLogged.java
index b7de82df9..58bf62c65 100644
--- a/src/main/java/org/takes/facets/slf4j/TkLogged.java
+++ b/src/main/java/org/takes/facets/slf4j/TkLogged.java
@@ -48,7 +48,7 @@ public final class TkLogged extends LogWrap implements Take {
      * @param take Original
      */
     public TkLogged(final Take take) {
-        this(take, LogWrap.Level.TRACE);
+        this(take, LogWrap.DEFAULT_LEVEL);
     }
 
     /**
@@ -66,7 +66,7 @@ public Response act() throws IOException {
         final long started = System.currentTimeMillis();
         final Response resp = this.origin.act();
         this.log(
-            "[%s] #act() return [%s] in [%d] ms",
+            "[{}] #act() return [{}] in [{}] ms",
             this.origin,
             resp,
             System.currentTimeMillis() - started
diff --git a/src/main/java/org/takes/facets/slf4j/TsLogged.java b/src/main/java/org/takes/facets/slf4j/TsLogged.java
index d0adc171c..c28edc5e5 100644
--- a/src/main/java/org/takes/facets/slf4j/TsLogged.java
+++ b/src/main/java/org/takes/facets/slf4j/TsLogged.java
@@ -50,7 +50,7 @@ public final class TsLogged extends LogWrap implements Takes {
      * @param takes Original
      */
     public TsLogged(final Takes takes) {
-        this(takes, LogWrap.Level.TRACE);
+        this(takes, LogWrap.DEFAULT_LEVEL);
     }
 
     /**
@@ -68,7 +68,7 @@ public Take route(final Request request) throws IOException {
         final long started = System.currentTimeMillis();
         final Take resp = this.origin.route(request);
         this.log(
-            "[%s] #route(%s) return [%s] in [%d] ms",
+            "[{}] #route([{}]) return [{}] in [{}] ms",
             this.origin,
             request,
             resp,
diff --git a/src/test/java/org/takes/facets/slf4j/BkLoggedTest.java b/src/test/java/org/takes/facets/slf4j/BkLoggedTest.java
index cf980e13e..eab280829 100644
--- a/src/test/java/org/takes/facets/slf4j/BkLoggedTest.java
+++ b/src/test/java/org/takes/facets/slf4j/BkLoggedTest.java
@@ -45,6 +45,10 @@ public final class BkLoggedTest {
     /**
      * BkLogged can log message.
      * @throws IOException If some problem inside
+     * @todo #90 we should change mocked Log4j appender to
+     *  custom Log4jAppeneder that implemented as JUnit Rule.
+     *  See details in CR comment here
+     *  https://github.com/yegor256/takes/pull/89#discussion_r27354036
      */
     @Test
     public void logsMessage() throws IOException {
@@ -67,7 +71,7 @@ public void accept(final Socket socket) throws IOException {
                         public boolean matches(final Object argument) {
                             return ((LoggingEvent) argument)
                                 .getRenderedMessage()
-                                .matches("^.*accept.*$");
+                                .contains("accept");
                         }
                     }
                 )
diff --git a/src/test/java/org/takes/facets/slf4j/FtLoggedTest.java b/src/test/java/org/takes/facets/slf4j/FtLoggedTest.java
index 8508147e7..330f18943 100644
--- a/src/test/java/org/takes/facets/slf4j/FtLoggedTest.java
+++ b/src/test/java/org/takes/facets/slf4j/FtLoggedTest.java
@@ -45,6 +45,10 @@ public final class FtLoggedTest {
     /**
      * FtLogged can log message.
      * @throws IOException If some problem inside
+     * @todo #90 we should change mocked Log4j appender to
+     *  custom Log4jAppeneder that implemented as JUnit Rule.
+     *  See details in CR comment here
+     *  https://github.com/yegor256/takes/pull/89#discussion_r27354036
      */
     @Test
     public void logsMessage() throws IOException {
@@ -75,7 +79,7 @@ public boolean ready() {
                         public boolean matches(final Object argument) {
                             return ((LoggingEvent) argument)
                                 .getRenderedMessage()
-                                .matches("^.*start.*$");
+                                .contains("start");
                         }
                     }
                 )
diff --git a/src/test/java/org/takes/facets/slf4j/PsLoggedTest.java b/src/test/java/org/takes/facets/slf4j/PsLoggedTest.java
index 8b359ec6f..61320a087 100644
--- a/src/test/java/org/takes/facets/slf4j/PsLoggedTest.java
+++ b/src/test/java/org/takes/facets/slf4j/PsLoggedTest.java
@@ -51,6 +51,10 @@ public final class PsLoggedTest {
     /**
      * PsLogged can log message.
      * @throws IOException If some problem inside
+     * @todo #90 we should change mocked Log4j appender to
+     *  custom Log4jAppeneder that implemented as JUnit Rule.
+     *  See details in CR comment here
+     *  https://github.com/yegor256/takes/pull/89#discussion_r27354036
      */
     @Test
     public void logsMessage() throws IOException {
diff --git a/src/test/java/org/takes/facets/slf4j/TkLoggedTest.java b/src/test/java/org/takes/facets/slf4j/TkLoggedTest.java
index ea67289b6..a6bff8d4f 100644
--- a/src/test/java/org/takes/facets/slf4j/TkLoggedTest.java
+++ b/src/test/java/org/takes/facets/slf4j/TkLoggedTest.java
@@ -44,6 +44,10 @@ public final class TkLoggedTest {
     /**
      * TkLogged can log message.
      * @throws IOException If some problem inside
+     * @todo #90 we should change mocked Log4j appender to
+     *  custom Log4jAppeneder that implemented as JUnit Rule.
+     *  See details in CR comment here
+     *  https://github.com/yegor256/takes/pull/89#discussion_r27354036
      */
     @Test
     public void logsMessage() throws IOException {
@@ -59,7 +63,7 @@ public void logsMessage() throws IOException {
                         public boolean matches(final Object argument) {
                             return ((LoggingEvent) argument)
                                 .getRenderedMessage()
-                                .matches("^.*act().*$");
+                                .contains("act()");
                         }
                     }
                 )
diff --git a/src/test/java/org/takes/facets/slf4j/TsLoggedTest.java b/src/test/java/org/takes/facets/slf4j/TsLoggedTest.java
index 515542361..555f853df 100644
--- a/src/test/java/org/takes/facets/slf4j/TsLoggedTest.java
+++ b/src/test/java/org/takes/facets/slf4j/TsLoggedTest.java
@@ -47,6 +47,10 @@ public final class TsLoggedTest {
     /**
      * TsLogged can log message.
      * @throws IOException If some problem inside
+     * @todo #90 we should change mocked Log4j appender to
+     *  custom Log4jAppeneder that implemented as JUnit Rule.
+     *  See details in CR comment here
+     *  https://github.com/yegor256/takes/pull/89#discussion_r27354036
      */
     @Test
     public void logsMessage() throws IOException {
@@ -74,7 +78,7 @@ public String toString() {
                         public boolean matches(final Object argument) {
                             return ((LoggingEvent) argument)
                                 .getRenderedMessage()
-                                .matches("^.*FakeTakes.*$");
+                                .contains("[FakeTakes]");
                         }
                     }
                 )