The Craghoppers NL Durrel Tight is a comfortable stretch leggings ideal for yoga, pilates and the gym. Recycled polyester is a comfortable, durable and versatile fabric. It is made from recycled plastic bottles and other single-use plastics that usually go to landfill. By reusing these plastics to make fabrics, we are helping to reduce waste and harmful chemicals in our environment. Recycled polyester is extremely soft, making it an ideal choice for many different garments. Solar Shield technology provides UV protection with a UPF of 50+, protecting you from harmful UV rays. Nosilife permanent insect repellent fabric reduces insect and mosquito bites by up to 90%. All NosiLife ranges feature the BlueSign system. A hidden zippered security pocket gives you a discreet place to store important items such as travel documents or cash.