Men's Wool Runner NZ Waterproof in Summer: Yes or No?
By Allbirds | Published: 2026-10-26
Category: Product Reviews
Wondering if the Men's Wool Runner NZ Waterproof works for warm weather? We bust the myth that waterproof shoes are always too hot, using only the facts.
Quick answer
Yes, you can wear the Men's Wool Runner NZ Waterproof in summer—the shoe's Merino wool construction helps manage temperature, but the waterproof membrane may feel warmer than non-waterproof sneakers.
Why the myth exists
Many assume that any waterproof shoe traps heat and moisture, making it unbearable in warm weather. This comes from experiences with non-breathable rubber or synthetic boots. The Men's Wool Runner NZ Waterproof challenges that assumption with its natural wool upper.
How wool helps in heat
Merino wool is known for breathability and moisture wicking, which can keep feet cooler than synthetic liners. However, the waterproof layer adds a barrier that reduces airflow compared to a non-waterproof wool shoe. So while it's not as airy as the standard Wool Runner, it's far cooler than a traditional rain boot.
When to choose it for summer
If your summer involves unpredictable rain, puddles, or damp grass, the Men's Wool Runner NZ Waterproof offers boot-like protection without the weight of a boot. It's a practical choice for light hiking, commuting in wet conditions, or travel where you need one shoe for varied weather.
Verdicts on common claims
- Claim: It's too hot for summer: False for most conditions. The Merino wool manages temperature better than synthetic waterproof shoes, but it will be warmer than a mesh sneaker. Suitable for mild to warm days (up to about 80°F / 27°C) especially if you wear thin socks.
- Claim: Waterproof means no breathability: Partly true. The waterproof membrane reduces airflow, but wool's natural wicking helps evaporate sweat. It's not as breathable as the non-waterproof version, but it's not a sauna.
- Claim: It's only for cold or wet weather: False. While it excels in rain and snow, its sneaker-like performance makes it a versatile choice for summer showers, dewy mornings, or travel. Just avoid extreme heat or prolonged direct sun. If your summer is consistently above 90°F / 32°C, consider a non-waterproof shoe for daily wear.
Product facts
- Men's Wool Runner NZ Waterproof - Natural Black (Natural Black Sole): Boot-like protection, sneaker-like performance. Weather any storm with our fully waterproof Wool Runner NZ built to keep water out and warmth in. This means the shoe is designed to block water while still being lightweight and flexible, making it more summer-friendly than a heavy waterproof boot.

Men's Wool Runner NZ Waterproof - Natural Black (Natural Black Sole)
