diff --git a/src/combobox.js b/src/combobox.js
index 236b406..4cec520 100644
--- a/src/combobox.js
+++ b/src/combobox.js
@@ -11,8 +11,28 @@ var input = React.createFactory('input');
 module.exports = React.createClass({
 
   propTypes: {
+    /**
+     * Called when the combobox's input receives focus and the user begins interacting with it.
+     *
+     * Signature:
+     *
+     * ```js
+     * function(userInput){}
+     * ```
+    */
     onFocus: React.PropTypes.func,
 
+    /**
+     * Called when the combobox's input loses focus after being activated for user input
+     *
+     * Signature:
+     *
+     * ```js
+     * function(userInput){}
+     * ```
+    */
+    onBlur: React.PropTypes.func,
+
     /**
      * Called when the combobox receives user input, this is your chance to
      * filter the data and rerender the options.
@@ -47,6 +67,7 @@ module.exports = React.createClass({
     return {
       autocomplete: 'both',
       onFocus: k,
+      onBlur: k,
       onInput: k,
       onSelect: k,
       value: null,
@@ -187,6 +208,7 @@ module.exports = React.createClass({
       return;
     this.maybeSelectAutocompletedOption();
     this.hideList();
+    this.props.onBlur();
   },
 
   handleOptionBlur: function() {
diff --git a/src/main.js b/src/main.js
index 1e19cb3..99f82b2 100644
--- a/src/main.js
+++ b/src/main.js
@@ -11,6 +11,7 @@ module.exports = React.createClass({
     isLoading: React.PropTypes.bool,
     loadingComponent: React.PropTypes.any,
     onFocus: React.PropTypes.func,
+    onBlur: React.PropTypes.func,
     onInput: React.PropTypes.func.isRequired,
     onSelect: React.PropTypes.func.isRequired,
     tokenAriaFunc: React.PropTypes.func,
@@ -38,6 +39,12 @@ module.exports = React.createClass({
     }
   },
 
+  handleBlur: function() {
+    if (this.props.onBlur) {
+      this.props.onBlur();
+    }
+  },
+
   handleInput: function(inputValue) {
     this.props.onInput(inputValue);
   },
@@ -87,6 +94,7 @@ module.exports = React.createClass({
           'aria-label': this.props['combobox-aria-label'],
           ariaDisabled: isDisabled,
           onFocus: this.handleFocus,
+          onBlur: this.handleBlur,
           onInput: this.handleInput,
           showListOnFocus: this.props.showListOnFocus,
           onSelect: this.handleSelect,