We have mostly sand, loam, limestone, and roots. Our tires get off easy; the most important attribute is drive (traction). These things rip. Big nobbies, profile is slightly rounded, reversible - so you get a nice sharp corner by flipping the tire over on the rim. They hold up well, the carcass is perfect on my 450, just a little stiff on my 250 2 stroke. Best all around tire for Florida Hare Scrambles and Enduros.