Designed in our STI Lab, this foam provides better cushioning than traditional foam materials and dramatically reduces the weight of our boots by eliminating the need for a heavy rubber outsole. ThirtyTwo boots with STI Evolution Foam™ are 15% to 40% lighter than previous seasons and remain the lightest in the industry.
Articulating Cuff
This advanced shell construction creates high-performing, smooth-flexing boots that are easier to lace and more durable. There is also less shell distortion, resulting in consistent heel hold through the full flex range.
3D Molded Tongue
Our 3-D Molded Tongues wrap your foot for easier lacing, improved fit and heel hold. This design also gives us the ability to control the stiffness of each model for customized flex and improved responsiveness.
Inner Ankle Harness
Heel Hold Kit Included
A standard feature on our premium boots, these kits are also available separately to improve heel hold in any boot. The pad system in stackable to provide enough heel hold for any rider and couldn't be any easier to use, just peel and stick!