Rothco jump boots. An excellent alternative to Dr Martens and Solovair. At $110 they're cheaper than both and much more rugged than the former. Definitely would recommend for those strapped for cash. :
Universal Thread's Erin Boots Are a Platform Doc Martens Dupe
Doc Martens Carlson Clogs Are The Perfect Alternative To Birkenstock Bostons | Glamour UK
Forget Doc Martens, try these doc martens alternatives