Gas Mask 
To see or wear a gas mask in your dream indicates the need to practice filtering the information you take to heart.
Jockstrap
A jockstrap in a dream represents competition and virility. You may feel at odds with the world unsure of your masculine strengths.
Insulation
A dream of insulation indicates that you are feeling isolated from your surroundings. Insulation divides one space from another, you may feel you are not gaining or giving back to the people around you enough within your daily activities.
- 1