The Inhaler DS4 Inline Skates are brought to you by Mission, one of the leading authorities in inline hockey. These inline skates are packed full of Mission's different performance features. The DS4 skates feature Mission's S.I.C.K. Ventilation System that allows hot air to be released from the boot, keeping you cool throughout your skate. The lower section features a Hi-Lo setup that has remained popular for years. The Hi-Lo Aluminum Vanguard Frame is stocked with Hi-Lo Clinger Indoor Wheels to ensure that your connection to the ground is unparalleled!