I don't think they were defective at all. Just not durable enough. I'm pretty hard on boots from riding, constant strapping in, and plenty of hiking and hanging out mixed in.
16 Gnu Swallow Tail Carver . 16 NS West . 15 NS Snowtrooper BIA
16 Burton Genesis X . 15 Now Drive
16 Flow Talon . 14 Flow Hylite