Riedell skate boots come in a variety of stiffness to offer more support or flexibility. The higher the stiffness/support rating, the stiffer the boot.
Model’s 135, 172 & 297 = 20 (low stiffness rating)
Model’s 120, 220, Lolly = 25 (med-low stiffness rating)
Model Jack 1 = 30-35 (med-high stiffness rating)
Model 336 = 40 (med-high stiffness rating)
Model Jack 2 = 45-50 (high stiffness rating)
Model 3200 = 70 (very high stiffness rating)
910 = 70 (very high stiffness rating)
2010 = 90 (very high stiffness rating)
