Rockport Wynstin Mens Chukka Boots These are for the guy who appreciates old-school charm and values modern tech that delivers superior comfort. Fastening:Lace up Material Composition:Leather/Other Materials/Other Materials Featuring foot-friendly truTECH and EVA heel cups, and crafted with vintage feeling leathers and suedes.. Featuring foot-friendly truTECH and EVA heel cups.. Superior comfort.