These black Girlfriend Collective Compressive high-rise leggings are made from a stretch fabric derived from 25 plastic bottles. A full-length style, this pair has flat seams and a supportive fit that's suited to high-impact activities. When it comes to an exercise routine you can stick to, it's all about being sustainable. These Girlfriend Collective leggings will certainly help with that. At Browns we recognise progress over perfection and support brands that are seeking to create positive change. This brand rates well on independent ethical rating platform Good On You.