The Women's Synergy Torch is built with a 85 Stiffness Rating

Asymmetrical interior ankle pads wrap anatomically around the foot for customized fit and comfort
Ankle punch outs that are molded into the design
Unique 2-piece molded side-panels are cut resistant and fully heat moldable. Combined with the Jackson Wrap this provides unparalleled lateral support
Super lightweight 3D injection/ lasted quarters with lateral stability and flexibility
Textured new-age carbon fiber look
Supreme tongue prevents slipping & twisting of laces, eliminating lace bite
Dura-guard over the toes lining provides cut resistance
New lining
Soft collar provides superior leg extensions without aggravating the tendons
The innovative PBX sole provides flexibility and rigidity that, combined with ABS insoles, provides unmatched weight and strength.  The 3 piece design allows the use of ABS heels for strength and security of screws while featuring a sleek, low-profile look.