The lower section is integrated into the upper to allow you to adjust the fit

The combination with more or less heavy intermediate layers lengthens the period of use making it suitable even for colder climates

Top pocket with zipper closure

giving you the biggest advantage on the trails

Stretch-mesh venting increases airflow and mobility

la sportiva cyklon w 46x 2591005880704 4520063 The lower section is integratedWhen you need precision, stability and synergy between your foot and the trail look no further than the Cyklon. Through extensive R&D between La Sportiva and BOA, the Cyklon was designed for skyraces and offroad technical terrain for short to medium distances. FEATURES & FIT Perfect for races or medium distance trail runs BOA Fit System Dynamic Cage Construction creates synergy within the lacing structure of the shoe for uncompromising fit and