01/23/2026
Straw vs. Blankets: The Mistake That Freezes Cats. βοΈπ
The intention is kind: "It's freezing outside, I'll put a soft old quilt in the stray cat's shelter." The result is catastrophic: You might kill them. In the US, where winters can be brutal, the Golden Rule of rescue is: "Straw for Strays." Never fabric.
π₯Ά 1. The Physics of Moisture Fabrics (towels, sheets, fleece) act like sponges. They absorb moisture from the air and, crucially, the water v***r from the cat's own breath. As soon as the temperature drops, this moisture freezes. The soft blanket becomes a rigid block of ice. Instead of warming the animal, it siphons body heat away (water conducts cold 25x faster than air). The cat ends up hypothermic on its own bed.
πΎ 2. Straw: The Hollow Insulator Warning: We mean Straw (yellow hollow stalks), not Hay (green dried grass for eating). Straw is a miracle of natural engineering. Each stalk is a hollow tube that traps dead air. It works on the same principle as double-paned windows. Furthermore, straw is hydrophobic: it doesn't absorb water. Moisture drips through it to the floor, keeping the cat dry.
π₯ 3. The Burrow Effect A blanket stays flat. Straw allows the cat to burrow. By digging a nest, the cat creates a small pocket of warm air, insulated by thousands of straw tubes. It is the most efficient heating system available in nature.
The Memo: If you are prepping a winter shelter:
Remove the towels (they freeze).
Remove the Hay (it molds and causes allergies).
Fill it with Straw halfway up.
π QUICK FAQ
Q: What about Hay? Is it the same thing? R: NO, IT IS DANGEROUS. π Hay is dried grass meant for food (horses/rabbits). It is full of nutrients, absorbs moisture like a sponge, and molds very quickly, becoming a breeding ground for bacteria and fungi. Wet hay also freezes. Straw = Bedding. Hay = Food.
Q: What if I change the blankets every day? R: Itβs risky. β³ Unless you can check the shelter every 12 hours, a snowstorm or a wet night can happen at any moment. If you are away for 24 hours, the cat risks freezing. Straw offers passive safety for weeks at a time.
Q: Where do I buy straw? R: Home Depot & Tractor Supply. πͺ In the US, you can find "Straw Bales" easily in the fall (garden centers) or year-round at farm supply stores like Tractor Supply Co. or local feed stores. It is very cheap (usually $5-$10 a bale).