请以json格式列出至少三种适合户外运动的品牌及其特点，每个品牌需要包含名称、创立年份、主要产品线和特点。
user
{
    "brands": [
        {
            "name": "Columbia",
            "year_founded": 1938,
            "product_line": ["outdoor jackets", "pants", "accessories"],
            "features": "specializes in high-performance outdoor clothing and gear, known for its innovative technologies and materials such as Omni-Heat and Omni-Tech."
        },
        {
            "name": "The North Face",
            "year_founded": 1966,
            "product_line": ["hiking backpacks", "jackets", "sleeping bags"],
            "features": "provides a wide range of equipment and clothing for outdoor enthusiasts, featuring advanced fabric technology for durability and weather resistance."
        },
        {
            "name": "Patagonia",
            "year_founded": 1973,
            "product_line": ["fleece wear", "outdoor apparel", "technical gear"],
            "features": "focuses on sustainability and eco-friendly practices, offering high-quality outdoor products while advocating for environmental conservation."
        }
    ]
}
assistant