Devices, systems and methods directed to a drug delivery device including a soft subcutaneously insertable cannula are disclosed. Some embodiments of the cannula include an elongated soft tube having a plurality of apertures spaced around and/or along a wall of the elongated soft tube. The plurality of apertures is configured for fluid flow therethrough resulting-in/causing an increase in an absorption rate of the fluid in the body of the user. The drug delivery device can be an insulin pump.