New in the box Cole Haan Zerogrand Regatta Boat Shoes- Pink/Gray/White- Various Sizes For an average to shallow instep, consider sizing down ½ size as this is a full-fitting style Breathable mesh upper provides ventilation and quick drying. Nylon-based mesh made from 40% recycled ocean plastics. Our Anchørtrac system is designed for maximum traction in both wet and dry environments to keep you steady on and off the water. Ultra-lightweight GRANDFØAM absorbs shock and provides rebound with each step. Tidalfløw water drainage system keeps your feet dry.