Horizon
Free · Shopify-built · themes.shopify.com
Shopify's new flagship theme, released May 2025. It carries the best section primitive set in the free tier: lookbook, video hero, sticky add-to-cart, accessible by default. If your fashion brand is under $500K revenue, start here.
Best for: editorial-led brands, sub-$500K revenue, theme-flexibility-first roadmap.