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When the session gets hard, what you wear should stop being a distraction. Our Active & Training Gear keeps you moving — in merino t-shirts and base layers that breathe, regulate, and feel good mile after mile. Explore men's training gear and women's training gear built for real effort, or go further with merino running gear that earns its place on every run.
Q: How does Merino wool activewear enhance workout performance?
A: Merino wool activewear is designed to enhance workout performance by providing excellent breathability, quick-drying, and temperature regulation. The natural fibers help pull moisture away from your skin, keeping you dry and comfortable during high-intensity activities. Additionally, Merino wool's ability to regulate body temperature prevents overheating or becoming too cold, allowing you to focus fully on your workout.
Q: Is Merino wool activewear suitable for warm weather workouts?
A: Yes, Merino wool activewear is suitable for warm weather workouts. The fabric’s breathability and quick-drying properties help keep you cool and dry even in hot conditions. The lightweight nature of the fabric allows for airflow, while its natural ability to regulate temperature makes it versatile enough to be worn in both warm and cool environments.
Q: How does Merino wool compare to synthetic materials for activewear?
A: Merino wool offers several advantages over synthetic materials for activewear. Unlike synthetics, Merino wool is naturally odor-resistant, reducing the need for frequent washing. It’s also breathable, quick-drying, and temperature-regulating, providing comfort in a wide range of temperatures. While synthetics can be good for specific performance features, Merino wool combines these with natural softness and sustainability.
Free Return Policy
Smartwool offers free returns within 30 days from the date of purchase. Items must be unused, unwashed, and unaltered.
Store Returns
Return the unworn item(s) to the store where you originally made the purchase for a refund or exchange.
Online Returns
Return unworn item(s) purchased at smartwool.com 30 days from the date of purchase for a complete refund. Initiate a return by accessing your order history and selecting “Return Items."
We are currently offering free shipping on orders €55+ placed on eu.smartwool.com.
Shipping based on normal carrier restrictions and delays. We cannot guarantee arrival. Free shipping may not be available for some customers.

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