In India, delicate fabrics do not stand up well to laundering facilities except at deluxe hotels. Plain cottons or cotton/synthetic blends are the most practical and the coolest in summer. It's best to avoid synthetic fabrics that don't 'breathe'. For protection from the harsh sun a hat with a wide brim is recommended. When traveling during monsoons, a collapsable umbrella comes handy. During the winter months, sweaters and light jackets are required. For functions carry formal suits for men and skirts and tops for women. To enter a holy shrine, women should wear a long skirt or dress or trousers. Travel in a Muslim community calls for even more discretion. Women should consider wearing a salwar kameez, or loose pants and long blouse. Trekkers and travellers going on any outdoor adventure should bring a day pack that will hold a sweater, camera, a water bottle. A good pair of binoculars and sunglasses that block out ultraviolet rays are advised. Also carry strong sunblock, sewing kit, premoistened towelettes, pocket knife with can opener,lock and key for each duffel or bag, high-power impact-resistant flashlight, spare batteries (unless they're a popular size). Sports enthusiasts should bring their own tennis or golf balls, which are expensive in India. Electronic Gadgets For electric-powered equipment, bring a converter and an adapter. The electrical current in India is 220 volts, 50 cycles alternating current (AC), wall outlets take plugs with two round prongs.