Drawbacks to solid tires are numerous:
Difficult installation
Heavy
Low shock absorption
Lower traction
They've been discussed repeatedly on the forum, and never in a positive light from my recollection.
Specialized Armadillo, Bontrager Hardcase, Schwalbe Marathon Plus, Continental Ultra Gatorskin and Panaracer Pasella TG are all much better options for flat reduction.
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"I feel like my world was classier before I found cyclocross."
- Mandi M.