Knicked Overnight/Heavy Absorbency Period Underwear - Soft CottonThe Knicked super soft cotton heavy absorbency Period underwear offers the highest level of protection. It can hold between 40 60mls the equivalent of 6 soaked regular pads or tampons and is made with 5 layers of construction giveing up to 10 hrs of protection from leaks, stains and odours. Use either all day or overnight for total protection, without the need for bulky pads or awkward tampons. Sizing See below sizing chart or for more information,