Someone was selling these doc zipper inserts on depop, probably from an old pair of Sinclairs, so I tried them in a few of docs from my collection. A really great way
1460 Women's Double Zip Leather Lace Up Boots | Dr. Martens
Doc Martens Zip Front Boots for Women - Up to 40% off | Lyst
Dr. Martens 1460 white rose Side Zipper White 8 Eye Boots Big Kids Size US 10 | eBay
Doc Martens Zip Front Boots for Women - Up to 40% off | Lyst
Dr martens re boot side zip buffalino + FREE SHIPPING | Zappos.com
1460 Pascal Zip Front Patent | Dr. Martens
1460 Women's Pascal Nappa Zipper Boots | Dr. Martens
Dr Martens 14 Eyelet Black Vonda Embroidered Zipper Boot | Vixens and Angels
Dr. Martens Size 1 1460 Pascal J Side Zipper Boots Size US 1 UK 13 EU 32 Black | eBay
1460 Pascal Zip Tumbled Leather Lace Up Boots | Dr. Martens
1460 Zip Nappa Leather Lace Up Boots | Dr. Martens