Imagine a bouldering session on top of a freshly snow-covered ridge or a day of mountain climbing in cool weather. The Heavyweight Project Flannel from Black Diamond is your perfect ally for those moments when comfort and performance are essential. Made from soft organic cotton, this shirt wraps you in warmth while being tough and durable. Its straight fit and button-front make it a versatile choice that layers easily with other pieces.
Designed to withstand cooler conditions, it is ideal for your bouldering sessions or any outdoor activities in cold weather. The more you wear it, the softer it becomes, offering you unmatched comfort for your mountain adventures.
Materials: soft and durable organic cotton
Straight fit for optimal comfort
Button-front for increased practicality
Ideal for layering with other pieces

Nature is our playground and our commitment to the environment is obvious. This is also why we highlight our selection from HardGreen, which makes sustainable, eco-friendly products that help
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Products featuring this label are designed with at least 50% organic cotton. This cotton is produced without pesticides, synthetic fertilisers or genetically modified seeds. Furthermore, organic agricultural processes guarantee that farmers produce ...
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