<nav aria-label="breadcrumb">
    <ol class="breadcrumb">
        <li class="breadcrumb-item"><a href="/">Главная</a></li>

        {% if this.page.id != 'catalog' %}
            <li class="breadcrumb-item"><a href="#"><a href="{{ 'catalog'|page }}">Каталог</a></a></li>
        {% else %}
            <li class="breadcrumb-item active" aria-current="page">Каталог</li>
        {% endif %}

        {% for arItem in arBreadcrumbs %}
            {% if loop.last == true %}
                <li class="breadcrumb-item active" aria-current="page">{{ arItem.name }}</li>
            {% else %}
                {% if arItem.item.nest_depth == 0 %}
                    {% set sPage = 'category_list' %}
                {% else %}
                    {% set sPage = 'product_list' %}
                {% endif %}
                <li class="breadcrumb-item"><a href="{{ arItem.item.getPageUrl(sPage) }}">{{ arItem.name }}</a></li>
            {% endif %}
        {% endfor %}
    </ol>
</nav>