Apparel & direct-to-consumer · Shopify + Klaviyo
TropicalBlack.com.au
A fast-growing shirt brand losing revenue to sold-out sizes. We rebuilt the variant logic so out-of-stock options stay shoppable as pre-orders or back-in-stock signups, then wired Klaviyo flows to convert that demand automatically.

Before
- Sold-out sizes looked like dead ends on the product page
- No back-in-stock or pre-order capture
- Klaviyo sending generic blasts, not behaviour-based flows
After
- Custom out-of-stock variant logic with pre-order support
- Back-in-stock signup per size, synced to Klaviyo
- Welcome, browse-abandon and restock flows live end to end
Outcomes
- Sold-out demand captured by size
- Pre-order support added
- Behavior-based email flows implemented
