{% for block in values %}
  {% if block.block_type == 'features' %}
    {{ block.value.feature.title }}

class Features_1_Block(blocks.StructBlock):
    title = blocks.CharBlock()
    description = blocks.TextBlock(required=False)
    features = blocks.StreamBlock([
        ('feature', blocks.StructBlock([
            ('icon', blocks.CharBlock()),
            ('title', blocks.CharBlock()),
            ('description', blocks.TextBlock())
        ]))
    ])

    class Meta:
        template = 'streamfield_blocks/features_1.html'