About This Item
Sumi was designed with propulsion efficiency in mind. Utilizing different materials’ flexibilities and structural improvements such as water channelling guides on the blade and the 22º blade-to-foot angle, IST is able to create fins that are not hard on the legs yet generous forwarding force will always be provided.
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Electrode, Comp-283796730, DC-prod-dfw5, ENV-prod-a, PROF-PROD, VER-26.14.0, SHA-96fbe133c47f36e7914662612f44995c2a75c51a, CID-