Step 1:
Freeze
Chill your gel pack: Pop your ProtoCold gel. pack in the freezer for a minimum of 2 hours before your session.
Step 2:
Insert
Suit up: Slide the gel pack into the built-in cooling pouch of your ProtoCold shorts.
Step 3:
Sauna
Go in. Stay longer. Step into the sauna and let the heat do its work. While your core temperature rises and the longevity benefits stack up, the gel pack keeps scrotal temperature in the safe zone.