Many major thrift store chains including Salvation Army, Value Village, and Goodwill often sort through and resell or recycle the fabrics brought in, even if it's just a holey old shirt. "Gently worn clothes only" is a myth.
In fact, this Salvation Army website in Ontario claims that none of its donations end up in the landfill:
More evidence from the Toronto Star:
This applies to Textiles.
About this Tip
Added January 6, 2014.
Applies to Everywhere.