THE PUMP - Technology is the ultimate in personalized pro performance and comfort. PRO ARMOURTM I QUARTER - Delivers protection and maximizes durability. PLAY DRY - water repellent black clarinoå liner ensures comfort and features anti-microbial ultra-freshå treatment. FLEX CUFF - The molded asymmetric flex-cuff functions with The Pump technology ankle bladder to maximize comfort. CUSTOM LIGHT COWLING - The rbk customlite cowling features lightweight Proprofile, Moisture Exaust Vents, Butterfly Toe Shield, TriLites and the first ever replaceable runner. SKATELOCK - Customize your support by tightening the top 3 eyelets independently of the forefoot.