AIRfeet Recovery.
Product · SKU · UPC Master Sheet v2 · Real UPCs

Every SKU.
Every UPC.
Live data.

Pulled directly from Tyrol's UPC master workbook (Aug 19, 2026). 292 SKU rows · 17,280 pairs in PO 1000. Real GS1-assigned UPCs shown in green. Missing UPCs shown in amber with school breakdown below.
Total SKUs
292.
School × color × style × size
UPCs assigned
215.
73.6% complete
UPCs pending
77.
See breakdown below
Total pairs
17,280.
PO 1000 shipping
Schools
11.
In this shipment
GS1 prefix
0840551.
Tyrol Worldwide LLC
Attention · 77 SKUs missing UPCs

Which SKUs still need GS1 UPC assignment

The 4 school/color/style combos below have only 1 of 13 sizes assigned. Someone at Tyrol needs to assign the remaining 12 UPCs per combo (48 total) before those SKUs can ship to retail or scan through SIGIS. Plus 5 one-off gaps.

Illinois · Navy Blue · Slides
12 sizes pending · only M3-W5 assigned
Illinois · Navy Blue · Thong
12 sizes pending · only M3-W5 assigned
Penn State · Navy Blue · Slides
12 sizes pending · only M3-W5 assigned
Penn State · Navy Blue · Thong
12 sizes pending · only M3-W5 assigned
West Virginia · Navy Blue · Slides
12 sizes pending · only M3-W5 assigned
West Virginia · Navy Blue · Thong
12 sizes pending · only M3-W5 assigned
Indiana · Red · Thong
10 sizes pending · 3 of 13 assigned
Missouri · Black · Slides
1 gap · missing M15 only
GS1 · UPC context

How to read every UPC in this sheet.

Company Prefix (first 7 digits)

0 8 4 0 5 5 1
Tyrol Worldwide LLC's assigned GS1 Company Prefix. Every AIRfeet product — insoles (O2 line) and now footwear — carries this prefix. This range is licensed to Tyrol only; no other manufacturer can use it.

Item Reference (next 4 digits)

50XXXX
Assigned per SKU. Example: 840551 500006 = Indiana Red Slides M3-W5. The company assigns these sequentially by school/color/style/size block; the sequence tells you nothing but uniquely identifies the SKU.

Check digit (final digit)

X
Mathematically derived — not chosen. It's calculated from the 11 preceding digits using the GS1 check-digit algorithm to catch scan errors. If a UPC's check digit doesn't compute, the scan fails.

UPI Item Code (Tyrol internal)

ALWT35 · INRS911 · IMSWS12
Human-readable SKU shorthand. Pattern: {SCHOOL}{COLOR}{STYLE}{SIZE}. Used on packing lists, warehouse ops, internal reporting. UPC is what retailers scan; UPI is what Tyrol talks about.
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School
Style
UPC status
292of 292 rows
# UPC (GTIN-12) Retail barcode UPI Item Code Tyrol internal School Color Style Slide/Thong Size M/W US Pairs Qty Ctns In shipment Ctn from-to Range Invoice PO 1000 Status