Karhu Women's Fusion 3.5 Running Shoe Size:8 Simply and securely attaches to

Simply and securely attaches to the heel of your shoe

and your hands will stay the perfect temperature

Energy capsulated in a natural hydrogel

protecting yourself against the cold doesn’t have to mean slowing down

Karhu Women's Fusion 3.5 Running Shoe Size:8 Simply and securely attaches toThe Karhu Fusion 3. 5 is a highly responsive, cushioned running shoe for neutral footed runners. Whether going easy or pushing the pace, the forward propulsion and plush cushioning make your run comfortable and playful. The 6mm heel toe offset, shortened Fulcrum, and propulsion unit result in a swift and nimble underfoot experience. With every stride, the Fulcrum and propulsion unit will accelerate the transition from heel to toe off, even during your