Seamline

The style master for growing fashion brands

One style number.
Every system.

Replace the style spreadsheet. Build every style from structured attributes and give it one consistent code that follows it from sketch to Shopify.

fig. 01

Rule-based style numbers

Season, category, gender, any list you define — one collision-free number per style, per brand.

fig. 02

Colorways, SKUs & barcodes

Colorway × size matrices with GS1 UPC/EAN barcodes issued from your own prefix.

fig. 03

Lifecycle & carryover

Concept → sampling → approved → production → live, with a full change history.

fig. 04

Tech packs

BOM, graded measurements, annotated sketches, numbered revisions and factory share links.

fig. 05

Line sheets

Branded PDF and web line sheets for buyers, straight from your style master.

fig. 06

Import & export

Bring your spreadsheet in on day one. Export to Shopify, NuORDER, JOOR or your ERP.