Thanks all for the helpful responses!
Fyi, Anj confirmed that the Salvation Army is a perfectly good place
for athletic wear. Others offered to help me offload them, including
an offer from as far away as Maryland! (Hi, Jean.)
Mark Dieterich's wife volunteers at a thrift shop that generates
income for a food pantry, and is confident the shop would be happy to
take bike clothes -- the best possible outcome.
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