Refers to a construction technique where multiple layers of fabric or material are stitched together, often used for adding structure or padding
TopPoint LT91258 - Lunchbox sandwich
Malfini 306 - Sandwich 6P Cap unisex
Black&Match BM911 - 6-panel sandwich cap
K-up KP153 - SANDWICH PEAK CAP - 6 PANELS
K-up KP130 - SANDWICH PEAK CAP - 5 PANELS
Beechfield B15c - Ultimate 5 Panel Cap - Sandwich Peak
EgotierPro 52028 - RPET Sandwich Case with Velcro, PEVA CLUB
Atlantis AT094 - 6-panel cap with sandwich visor