These Perfect Pair Socks from Frugi are made from soft organic cotton with a touch of stretchy elastane to help them last longer. They come in two designs: Multistripe with a Sea design, these pair of socks have contrasting Motosu Blue heels and then In a Steely Blue Stripe with a Truck design, these socks have contrasting Koi Red heelstoes and rib cuffs for a cosy and fab fit.