Rockwell Double Edge Blades are a great option that offers sharpness with moderate comfort and longevity.
Each blade is manufactured using pure stainless steel and protected from rusting, while the specialised treatment ensures each blade has a very sharp edge for a close shave.
To avoid excessive wear on the blade leading to dulling, make sure to rinse the blade after each use - never wipe it.
Also available in economical bulk lots of 50 blades and 100 blades.