$wp_customize->add_setting( 'xgen_body_font_weight_settings', array (
        'default' => '400',
        'type' => 'option',
        'transport' => 'refresh',
        'sanitize_callback' => 'esc_textarea',
    ) );

    $wp_customize->add_control('xgen_body_font_weight', array(
        'label' => __( 'Body Font Weight', 'xgen' ),
        'section' => 'xgen_typo_section',
        'settings' => 'xgen_body_font_weight_settings',
        'type' => 'select',
        'choices' => $fonts_weight,
    ));