I switched over to plastic crates last year. Too many trapped paws and other accidents in wire for me to be comfortable with them anymore.
It is true I am not as happy with airflow in a plastic crate but for my truck I use a welded aluminum crate which is quite cool and very sturdy.
NAPWDA Certified Cadaver Dog
Waiting at the Bridge (italics
=GSDs) (hemangiosarcoma=blue):Grim , Cyra, Toby
, Rainbow, Linus, Oscar
, Arlo & Waggles