Styling Tips: Mocha Mousse Triangles Start with the base. A mocha mousse sock with navy and white triangles adds just the right pop to more subtle, neutral looks. Pair with navy or brown. A navy suit or trouser keeps things classic, while a brown suit offers an equally refined alternative. Anchor with brown dress shoes. Opt for a sleek pair of brown oxfords or loafers to ground the palette with warmth and balance. Keep shirts clean. A crisp white dress shirt lets the pattern and color story stan