Lisa Pulsifer posted an interesting article:
Mummy Bag to Sleeping Quilt
External/Internal Frame to Frameless Packs
Polyester to Dyneema Tents
Leather Boots to Lightweight Runners
Synthetic Fiber to Merino Wool
Hand Pump to Squeeze Filter
Posted: 2021-01-06 01:03:00 (see more from besthike.com)