You need reliable tools in your craft. Focus on those that will work reliably under all conditions, regardless on the environment and the material you work with.
Think of practicality in specific situations, so that you don't have to unnecessarily remove your gloves when using them, so that you can easily find them, have them ready for use, and so that you can be confident they will perform their function perfectly.
KOH-I-NOOR HARDTMUTH TIP: Thanks to the rectangular profile, carpentry pencils are ideal for drawing lines and they work on most surfaces. Forestry chalks last on wet wood, and tailors chalks can be used to easily mark fabrics.