Duotone Vario Combo foot straps 2024. An essential part of the Duotone collection, the Vario Combo footpads and straps are compatible with all Duotone boards of every generation and now available in two sizes, XS 33-36 (UK SIZE 1-3.5) and S-L 36-47 (UK size 3.5-12+). Structured, comfortable and durable, the ergonomically shaped pads deliver a satisfying ride and cushy. Available from H20 Sports your Water Sports Experts. Want it • Get it • Ride it