Maybe there is a way using product URL ? if the URL contains "women" it means we should display images with no alt + image with alt containing "women" and if the url contains nothing, then display images without alt only.
I have located this part of code where it seems to display the product images :
<div class="thb-product-detail product main-product-page" data-handle="{{ product.handle }}">
<div class="row full-width-row-full">
<div class="small-12 columns">
<div class="product-grid-container">
<div class="product-gallery-container" id="MediaGallery-{{ section.id }}">
<div class="product-image-container">
<product-slider id="Product-Slider" class="product-images static-dots" data-captions="{{ display_captions }}" data-hide-variants="{{ hide_variants }}">
{%- if featured_media != null -%}
{%- liquid
assign image_index = image_index | plus: 1
assign first_image = featured_media.preview_image
-%}
{%- render 'product-media', product: product, section: section, forloop: false, media: featured_media, sizes: sizes, variant_images: variant_images, media_aspect_ratio: media_aspect_ratio, hide_variants: hide_variants, display_captions: display_captions, priority: 'high' -%}
{%- endif -%}
{%- for media in product.media -%}
{%- unless media.id == featured_media.id -%}
{%- liquid
if media.media_type == 'image'
assign image_index = image_index | default: 0 | plus: 1
endif
assign priority = false
if image_index == 0
assign first_image = media.preview_image
assign priority = 'high'
endif
-%}
{%- render 'product-media', product: product, section: section, forloop: forloop, media: media, sizes: sizes, variant_images: variant_images, media_aspect_ratio: media_aspect_ratio, hide_variants: hide_variants, display_captions: display_captions, priority: priority -%}
{%- endunless -%}
{%- endfor -%}
{%- if product.media.size > 1 -%}
{%- render 'slideshow-arrows' -%}
{%- endif -%}
</product-slider>
{%- if product.media.size > 1 -%}
{%- liquid
assign thumbnail_count = product.media.size | at_most: 4
assign width = thumbnail_count | times: 63 | plus: 19
-%}
<div id="Product-Thumbnails" class="product-thumbnail-container" data-hide-variants="{{ hide_variants }}" style="--thumbnail-width: {{ width | append: 'px'}}">
<button class="product-thumbnail-container--button" aria-label="Toggle"></button>
<scroll-shadow>
<div class="product-thumbnail-container--inner">
{%- if featured_media != null -%}
{%- render 'product-thumbnail', product: product, media: featured_media, forloop: false, variant_images: variant_images, media_aspect_ratio: media_aspect_ratio, hide_variants: hide_variants -%}
{%- endif -%}
{%- for media in product.media -%}
{%- unless media.id == featured_media.id -%}
{%- render 'product-thumbnail', product: product, media: media, forloop: forloop, variant_images: variant_images, media_aspect_ratio: media_aspect_ratio, hide_variants: hide_variants -%}
{%- endunless -%}
{%- endfor -%}
</div>
</scroll-shadow>
</div>
and this in product-media.liquid where it seems to loop over product media :
<div
id="Slide-{{ section.id }}-{{ media.id }}"
class="product-images__slide product-images__slide-{{ media.media_type }}{% if is_active %} is-active{% endif %}{% if variant_images contains media.src %} product-images__slide-item--variant{% endif %}"
data-media-id="{{ section.id }}-{{ media.id }}"
data-active="{{ is_active }}"
{% if image_set %}
data-set-name="{{ image_set_group }}"
data-group="{{ image_set_full }}"
{% endif %}
{% if quick_view %}
style="--quick-view-image-height: 380px"
{% endif %}
>
{%- case media.media_type -%}
{% when 'image' %}
{%- liquid
assign ratio = 1
if media_aspect_ratio == 'adapt'
assign ratio = media.preview_image.aspect_ratio
elsif media_aspect_ratio == 'portrait'
assign ratio = 1 | divided_by: 1.25
elsif media_aspect_ratio == 'landscape'
assign ratio = 1 | divided_by: 0.75
endif
assign alt = media.preview_image.alt | split: '#' | first
assign padding_right = ratio | times: 100
-%}
<div class="product-single__media product-single__media-image aspect-ratio aspect-ratio--{{ media_aspect_ratio }}" id="Media-Thumbnails-{{ section.id }}-{{ media.id }}" style="--aspect-ratio: {{ ratio }}; --padding-bottom: {{ 1 | divided_by: ratio | times: 100 }}%; --padding-right: {{ ratio | times: 100 }}%">
{%- if section.settings.lightbox != blank -%}
<a
href="{{ media.src | image_url }}"
class="product-single__media-zoom"
data-msrc="{{- media.src | image_url: width: 20 -}}"
data-h="{{ media.height }}"
data-w="{{ media.width }}"
target="_blank"
tabindex="-1"
{% if alt != blank and display_captions %}
title="{{ alt | escape }}"
{% endif %}
data-index="{{ image_index }}"
aria-label="Zoom"
></a>
{%- endif -%}
{%- render 'responsive-image', image: media.preview_image, sizes: sizes, priority: priority -%}
{%- if alt != blank and display_captions -%}
<span class="figcaption">{{ alt }}</span>
{%- endif -%}
</div>
