spatz neotoez neoprene toe warmersDelivery in 3 5 business days (Europe) Finance available at checkout with humm by flexifi. We started with a very simple design brief: To manufacture the best toe warmers on the market. A neoprene toe warmer done properly: Thermal, waterproof neoprene construction with a rugged, reinforced lower section and silicone aqua sealing around both openings. Much longer cut than other brands toe warmers to protect the shoe and foot right up to the ankle.