Vacation mode: on. The Endless Summer Sandal is sleek and comfortable, it features a leather thong with adjustable ankle straps and a metal buckle closure. This is the Summer essential for dressing up or dressing down with a breezy Summer dress, denim bottoms, and everything in between. The leather in this style is certified Gold by the Leather Working Group. The Leather Working Group (LWG) Audit Standards provide transparency and accountability within the leather supply chain—covering energy and water usage, safe chemical practices, worker health and safety, and wastewater management. Gold is the highest rating a tannery can receive for demonstrating best practices in environmental compliance and performance capabilities.