Artifacts from Oregon cave example of oldest known sewn material By Erik Neumann (OPB)Feb. 13, 2026 1:20 a.m.The two pieces of animal skin, joined by a strip of cord, date back more than 12,000 years. 📨 Daily news in your inboxSign up today for OPB’s “First Look” – your daily guide to the most important news and culture stories from around the Northwest.EmailPlease leave this field blankSign up