Men's Project Heavy Flannel Indigo 1
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Men's Project Heavy Flannel



A burly flannel that gets better and softer with age.

Color: Indigo


  • Standard delivery within 3 business days
  • Free shipping over €100 otherwise €8.95
The Heavyweight Project Flannel is comfortable, burly, and only gets better with age. A boxy, brushed organic cotton button-up that is designed to be worn with other layers, this flannel is ideal for cold days in the boulders.

Product Features

  • Double chest pockets
  • Double chest pockets

2 Year Warranty

We trust what we make because we use what we make. All Black Diamond products are covered by a two year warranty policy.

Organic Cotton

Our organic cotton is certified to come from farms not using synthetic fertilizers, biocides, or GMO seeds. These along with other required better farming practices result in cotton production having a reduced impact on the environment as a result. Organic cotton used in the apparel line is primarily certified by GOTS (Global Organic Textile Standard).

Display Weight
Size Range
0.81 kg / 28.57 ozS-XLHeavy Cotton Plain Weave (100% Cotton)810 g