I bought them, wore them to school for 2 days, and…
Use: Rough, Rocky, Muddy, Icy trails with 40-50 lb Pack
Break-in Period: 2 Days at home
Price Paid: $170
I bought them, wore them to school for 2 days, and then wore them on a 2 Day trip up Old-Rag Mountain in mid-march. My feet stayed warm (it was well below freezing), I got "NO" blisters, and the tread is gnarly, it grips like nothin' else!
Buy them, they are awesome.