Soft gel with built-in arch support comfotably supports your feet to keep you going all day. Extra cushioning on the ball of fott & arch for a 'comfy' feel. Helps relieve pressure so your feet are not stressed at the end of the day. Stays firmly in place.Suitable for shoes sizes UK: 3-7.5 AUS: 4-8 EUR: 35-40.5 Designed & assessed in consultation with foot care specialists.