Waterproof jacket, £230, ON (net-a-porter.com). Leggings, £27.50, marksandspencer.com. Sports bra, £65, Vouri (selfridges.com). T-shirt, £58, lululemon.co.uk. Bumbag, £40, sweatybetty.com. Fleece headband, £25, peakperformance.com. Waterproof trainers, £144.95, nike.com