The same material used for space suits while they work in extreme heat and cold in space.

Blusol Heat Shield Inserts are perfect for sport, construction, military, and more!

Utilizing a barrier material from outside surfaces combined with the heat from your own foot to regulate the temperature within your shoe or cleat.

Blusol inserts can be easily trimmed and sized to your liking, fitting your shoe or cleat perfectly for optimal performance. At 3 mm thin, the inserts are easily trimmed and flexible so they do not affect your shoe size.