Group 1 - The article emphasizes the importance of selecting effective sun protection gear, particularly focusing on the UPF rating of products [2][3][4] - For sun umbrellas, it is recommended to choose those labeled "UPF50+" for better UV protection, along with materials like polyester and black glue coatings for durability [2] - When selecting sun-protective clothing, consumers should consider the fabric density and color, with thicker and lighter colors providing better UV protection and comfort [3] Group 2 - Sun hats should also be chosen based on their UPF rating, with a minimum of UPF40 for effective sun protection, and additional features for comfort [4] - Other sun protection accessories like masks and sleeves should be evaluated for their cooling properties and UPF ratings, ensuring they meet the necessary standards for effective sun protection [4]

Core Viewpoint - The article emphasizes the importance of selecting effective sun protection products, particularly focusing on the ultraviolet protection factor (UPF) for clothing and accessories to ensure adequate UV protection during summer [1][2][3][4]. Group 1: Sun Protection Clothing - Consumers should pay attention to labels indicating UV protection functionality and UPF values when selecting sun protection clothing, with UPF values greater than 40 being considered qualified [2][1]. - The fabric density and color of the clothing also play a significant role in UV protection, with denser fabrics and lighter colors generally providing better protection and comfort [2][1]. Group 2: Sun Protection Hats - Various types of sun protection hats are available, including open-top hats, wide-brimmed fisherman hats, and baseball caps, each suitable for different outdoor activities [3]. - When purchasing sun protection hats, consumers should look for those that explicitly state their UV protection standards and UPF values, ensuring they meet the requirement of UPF greater than 40 [3]. Group 3: Other Sun Protection Accessories - Additional sun protection items such as masks and sleeves are also important, with different styles available for various needs, including head-worn and neck-covering designs [4]. - Consumers should consider the UPF value and cooling properties of these accessories, ensuring they are purchased from reputable sources with complete label information [4].