{% load crispy_forms_filters %}
{% load l10n %}
<div class="controls {{ field_class }} btn-group" data-toggle="buttons" {% if flat_attrs %} {{ flat_attrs|safe }}{% endif %}>
  {% include 'bootstrap3/layout/field_errors_block.html' %}
  {% for choice in field.field.choices %}
    <label class="btn btn-default {% if choice.0 in field.value or choice.0|stringformat:"s" in field.value or choice.0|stringformat:"s" == field.value|stringformat:"s" %}active{% endif %}">
      <input type="checkbox" {% if choice.0 in field.value or choice.0|stringformat:"s" in field.value or choice.0|stringformat:"s" == field.value|stringformat:"s" %} checked="checked" {% endif %} name="{{ field.html_name }}" id="id_{{ field.html_name }}_{{ forloop.counter }}" value="{{ choice.0|unlocalize }}" {{ field.field.widget.attrs|flatatt }}>
      <span class="text-{{choice.0}}" >{{ choice.1|unlocalize }}</span>
    </label>
  {% endfor %}
  {% include 'bootstrap3/layout/help_text.html' %}
</div>