By Rachel Walker, Special to The Washington Post Winter sports require massive amounts of gear, including equipment, warm clothes, waterproof outerwear, boots, helmets, gloves and more. Add a few regular outfits, and it might seem like you need a steamer trunk for a far-off mountain vacation. You don’t, trust me. As a ski writer who has circled the globe in winter — both solo and with my family in tow — I’ve perfected the art of packing for a ski vacation without breaking my back or the bank (in checked luggage fees).