Rome Snowboards Stomp Boa Snowboard Boots. The Stomp is a supple flexing, progression-oriented boot for riders who want dependable performance that won’t break the bank. Built with the locked-in comfort of our fully heat moldable RAD F.I.T. Liner and medium flexing GripFlex Outsole, the Stomp is all about inspiring confidence and keeping riders on hill longer. Flex: 5/10. Sequence dial Boa. Rad F.I.T. Liner: Plush and supportive, this fully heat moldable liner features SkateCuff 3D, an expandable toe box, TriZone lining and Rad Foambeds for comfort. GripFlex Outsole: Medium to responsive flex pattern, strategic lugs and lightweight construction. Imported.