Hooked knobs dig into loose soil and mud while wide spacing allow debris to shed quickly. Optimized for mud shedding in wet slippery conditions. Two dual density compounds to choose from standard DTC and a tackier 42/50 for all mountain use. DTC - Dual Tread Compound is a combination of two different rubber compounds L3R Pro (center knobs) and Stick-E rubber (corner knobs). KSCT - The optimization of existing Kenda tire construction technologies allowing for a tire to maximize the benefits of fluid based sealants while also increasing the strength of sidewalls for resistance to slices and abrasion. CX-DTC - Dual tread compound specifically suited for cyclocross and cross country use