Helly hansen hh dry charger 12 zip baselayera high collar 12 zip version of the original helly hansen base layer ideal for aerobic activities providing comfort no matter how long and hard you plan to go it has a high collar for extra protection and 12 zip for venting and temperature control this long sleeve base layer top for men features cuffs for comfort the hhdry construction with 100 lifa is a quick dry extremely breathable and super lightweight high performance base layer conti