BLUNDSTONE ELASTIC SIDED BOOT VEGAN Size 5 Olive New, unused. Please check the photos carefully. Blundstone Vegan Boots are ethical boots developed by Blundstone, an Australian brand of side-gore boots, without using any animal-derived materials. While replicating the texture and durability of leather, the upper uses microfiber, the lining uses breathable onSteam® microfiber, and the insole is lightweight and eco-friendly. They are lightweight, waterproof, breathable, and comfortable, making them suitable for a wide range of uses, from town to outdoor activities.