<fieldset class="product-form__input product-form__input-radio product-form__input-{{ option_name | handleize }}">
    <legend class="form__label">{{ option_name }}</legend>
    {%- for option in option_meta -%}
        <input type="radio" id="{{ section.id }}-{{ option_name | handleize }}-{{ forloop.index }}"
            name="properties[{{ option_name }}]"
            value="{{ option.title | escape }}"
            form="{{ 'product-form-' | append: section.id }}"
            required
        >
        <label for="{{ section.id }}-{{ option_name | handleize }}-{{ forloop.index }}" class="variant_label">
            <span>{{ option.title }}</span>
        </label>
    {%- endfor -%}
</fieldset>