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


Regular price: $110.00
Sale price: $82.50


A burly flannel that gets better and softer with age. View Details

Color: Indigo

Color Options


Size Options
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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

  • 100% organic cotton
  • Brushed cotton plain weave gets softer with time
  • Two chest pockets
  • Fit: Regular
  • ECO Label Status

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.


Protecting the places we love is as important to us as building the gear to take you there. Utilizing sustainably produced raw materials is a cornerstone to our approach and foundational to this commitment. Styles carrying the ECO label status are made of one or more of Black Diamond's targeted sustainablity attributes.

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 ozXS-3XLHeavy Cotton Plain Weave (100% Cotton)810g