diff --git a/inc/woocommerce.php b/inc/woocommerce.php
index 17da035..d87d831 100644
--- a/inc/woocommerce.php
+++ b/inc/woocommerce.php
@@ -4,6 +4,8 @@
  *
  * @package understrap
  */
+
+
 add_action( 'after_setup_theme', 'understrap_woocommerce_support' );
 if ( ! function_exists( 'understrap_woocommerce_support' ) ) {
 	/**
@@ -22,6 +24,7 @@ if ( ! function_exists( 'understrap_woocommerce_support' ) ) {
 	}
 }
 
+
 /**
 * First unhook the WooCommerce wrappers
 */
@@ -54,6 +57,7 @@ function understrap_woocommerce_wrapper_end() {
 	}
 }
 
+
 /**
  * Filter hook function monkey patching form classes
  * Author: Adriano Monecchi http://stackoverflow.com/a/36724593/307826
@@ -64,72 +68,74 @@ function understrap_woocommerce_wrapper_end() {
  *
  * @return mixed
  */
-function understrap_wc_form_field_args( $args, $key, $value = null ) {
-	// Start field type switch case.
-	switch ( $args['type'] ) {
-		/* Targets all select input type elements, except the country and state select input types */
-		case 'select' :
-			// Add a class to the field's html element wrapper - woocommerce
-			// input types (fields) are often wrapped within a <p></p> tag.
-			$args['class'][] = 'form-group';
-			// Add a class to the form input itself.
-			$args['input_class']       = array( 'form-control', 'input-lg' );
-			$args['label_class']       = array( 'control-label' );
-			$args['custom_attributes'] = array(
-				'data-plugin'      => 'select2',
-				'data-allow-clear' => 'true',
-				'aria-hidden'      => 'true',
-				// Add custom data attributes to the form input itself.
-			);
-			break;
-		// By default WooCommerce will populate a select with the country names - $args
-		// defined for this specific input type targets only the country select element.
-		case 'country' :
-			$args['class'][]     = 'form-group single-country';
-			$args['label_class'] = array( 'control-label' );
-			break;
-		// By default WooCommerce will populate a select with state names - $args defined
-		// for this specific input type targets only the country select element.
-		case 'state' :
-			// Add class to the field's html element wrapper.
-			$args['class'][] = 'form-group';
-			// add class to the form input itself.
-			$args['input_class']       = array( '', 'input-lg' );
-			$args['label_class']       = array( 'control-label' );
-			$args['custom_attributes'] = array(
-				'data-plugin'      => 'select2',
-				'data-allow-clear' => 'true',
-				'aria-hidden'      => 'true',
-			);
-			break;
-		case 'password' :
-		case 'text' :
-		case 'email' :
-		case 'tel' :
-		case 'number' :
-			$args['class'][]     = 'form-group';
-			$args['input_class'] = array( 'form-control', 'input-lg' );
-			$args['label_class'] = array( 'control-label' );
-			break;
-		case 'textarea' :
-			$args['input_class'] = array( 'form-control', 'input-lg' );
-			$args['label_class'] = array( 'control-label' );
-			break;
-		case 'checkbox' :
-			$args['label_class'] = array( 'custom-control custom-checkbox' );
-			$args['input_class'] = array( 'custom-control-input', 'input-lg' );
-			break;
-		case 'radio' :
-			$args['label_class'] = array( 'custom-control custom-radio' );
-			$args['input_class'] = array( 'custom-control-input', 'input-lg' );
-			break;
-		default :
-			$args['class'][]     = 'form-group';
-			$args['input_class'] = array( 'form-control', 'input-lg' );
-			$args['label_class'] = array( 'control-label' );
-			break;
-	} // end switch ($args).
-	return $args;
+if ( ! function_exists ( 'understrap_wc_form_field_args' ) ) {
+	function understrap_wc_form_field_args( $args, $key, $value = null ) {
+		// Start field type switch case.
+		switch ( $args['type'] ) {
+			/* Targets all select input type elements, except the country and state select input types */
+			case 'select' :
+				// Add a class to the field's html element wrapper - woocommerce
+				// input types (fields) are often wrapped within a <p></p> tag.
+				$args['class'][] = 'form-group';
+				// Add a class to the form input itself.
+				$args['input_class']       = array( 'form-control', 'input-lg' );
+				$args['label_class']       = array( 'control-label' );
+				$args['custom_attributes'] = array(
+					'data-plugin'      => 'select2',
+					'data-allow-clear' => 'true',
+					'aria-hidden'      => 'true',
+					// Add custom data attributes to the form input itself.
+				);
+				break;
+			// By default WooCommerce will populate a select with the country names - $args
+			// defined for this specific input type targets only the country select element.
+			case 'country' :
+				$args['class'][]     = 'form-group single-country';
+				$args['label_class'] = array( 'control-label' );
+				break;
+			// By default WooCommerce will populate a select with state names - $args defined
+			// for this specific input type targets only the country select element.
+			case 'state' :
+				// Add class to the field's html element wrapper.
+				$args['class'][] = 'form-group';
+				// add class to the form input itself.
+				$args['input_class']       = array( '', 'input-lg' );
+				$args['label_class']       = array( 'control-label' );
+				$args['custom_attributes'] = array(
+					'data-plugin'      => 'select2',
+					'data-allow-clear' => 'true',
+					'aria-hidden'      => 'true',
+				);
+				break;
+			case 'password' :
+			case 'text' :
+			case 'email' :
+			case 'tel' :
+			case 'number' :
+				$args['class'][]     = 'form-group';
+				$args['input_class'] = array( 'form-control', 'input-lg' );
+				$args['label_class'] = array( 'control-label' );
+				break;
+			case 'textarea' :
+				$args['input_class'] = array( 'form-control', 'input-lg' );
+				$args['label_class'] = array( 'control-label' );
+				break;
+			case 'checkbox' :
+				$args['label_class'] = array( 'custom-control custom-checkbox' );
+				$args['input_class'] = array( 'custom-control-input', 'input-lg' );
+				break;
+			case 'radio' :
+				$args['label_class'] = array( 'custom-control custom-radio' );
+				$args['input_class'] = array( 'custom-control-input', 'input-lg' );
+				break;
+			default :
+				$args['class'][]     = 'form-group';
+				$args['input_class'] = array( 'form-control', 'input-lg' );
+				$args['label_class'] = array( 'control-label' );
+				break;
+		} // end switch ($args).
+		return $args;
+	}
 }
 
 
@@ -137,7 +143,10 @@ function understrap_wc_form_field_args( $args, $key, $value = null ) {
 * Change loop add-to-cart button class to Bootstrap
 */
 add_filter( 'woocommerce_loop_add_to_cart_args', 'understrap_woocommerce_add_to_cart_args', 10, 2 );
-function understrap_woocommerce_add_to_cart_args( $args, $product ) {
-	$args['class'] = str_replace('button','btn btn-outline-primary', 'button');
-	return $args;
-}
+
+if ( ! function_exists ( 'understrap_woocommerce_add_to_cart_args' ) ) {
+	function understrap_woocommerce_add_to_cart_args( $args, $product ) {
+		$args['class'] = str_replace('button','btn btn-outline-primary', 'button');
+		return $args;
+	}
+}
\ No newline at end of file