Hybrid Drying Technology is a patented RamAir ventilation system HDT was developed utilizing Wind Science principles to blend RamAir Induction with the thermal convection philosophy Fresh air enters the Rear Air Intake is forced over the thermal heating elements with a powerful CPU fan and vents warm air all throughout the toe box removing wetness or warming chilly boots or shoes in a fraction of the time
Perfect for warming and drying
Automotive or Home Drying
Compact, portable packs easily in boots
Will not damage footwear, boot liners, or foot bed