Keep your feet exploring in all conditions by wearing Vibram FiveFingers V-Trek Insulated. Synthetic upper. Synthetic lining and insole. Front lace closure. Brushed toe fabric makes it more comfortable and flexible. Soft fleece lined collar, tongue and quarter panels. Pull-tab. 360 degree fleece lining for warmth. Non-absorbent water shedding shell that wicks away light moisture along with non-absorbent Hypatex overlay braces. Features a protective film on top of and in between the toes for added protection. Brand logo on tongue heel counter. Vibram outsole.