








MEN'S FUSION 4.5 - BIT OF BLUE / SKYDIVER
The brand new men’s Fusion 4.5 is the latest version in our Fusion line-up. The shoe remains a plush and propulsive neutral trainer with a familiar streamlined fit that seamlessly accelerates the transition from heel to toe-off.
New adjustments to the shoe utilize refined IdealKnit mesh for improved breathability and comfort, with added reflective details for improved visibility. A redesigned tongue that is softer, more accommodating, and offers a premium on-foot feel. The incorporation of nitrogen-injected AeroFoam in the midsole provides better rebound and a more cushioned experience for improved comfort during runs.
The men's KARHU Fusion 4.5 is the ultimate all-in-one shoe for runners seeking a unique blend of comfort, responsiveness, and performance.
Technologies KARHU Fusion 4.5
- Fulcrum + Propulsion Unit
- IdealKnit
- Nitrogen-infused AeroFoam midsole
- M-Lock lacing system
Weight US10: 302g / 10.7 oz
Heel-to-toe drop: 6mm
####description-start####
The all-new men’s KARHU Fusion 4.5 Bit of Blue / Skydiver provides a plush and propulsive ride ideal for the neutral runner. A shoe made for tempo runs, training sessions, and workouts. The newest version of the Fusion model is exceptional at seamlessly accelerating the transition from heel to toe-off, ensuring a responsive underfoot experience regardless of pace.
New adjustments to the shoe utilize refined IdealKnit mesh for improved breathability and comfort, with added reflective details for improved visibility. A redesigned tongue that is softer, more accomodating and offers a premium on-feet feel. The incorporation of nitrogen-injected AeroFoam in the midsole provides better rebound and a more cushioned experience for improved comfurt during runs.
The men's KARHU Fusion 4.5 is the ultimate all-in-one shoe for runners seeking a unique blend of comfort, responsiveness, and performance.
Details KARHU Fusion 4.5
- Shortened Fulcrum + Propulsion unit for an efficient stride.
- Nitrogen-infused AeroFoam midsole for improved comfort during runs.
- Updated IdealKnit mesh construction with improved breathability.
-Increased visibility with reflective prints
- M-Lock lacing construction ensures a secure midfoot.
####description-end####
####featured-start####
The KARHU Fusion 4.5 is a highly responsive, cushioned running shoe for neutral-footed runners. It is sure to elevate your run and propel you forward.
####featured-end####
Original: $188.65
-70%$188.65
$56.59Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The brand new men’s Fusion 4.5 is the latest version in our Fusion line-up. The shoe remains a plush and propulsive neutral trainer with a familiar streamlined fit that seamlessly accelerates the transition from heel to toe-off.
New adjustments to the shoe utilize refined IdealKnit mesh for improved breathability and comfort, with added reflective details for improved visibility. A redesigned tongue that is softer, more accommodating, and offers a premium on-foot feel. The incorporation of nitrogen-injected AeroFoam in the midsole provides better rebound and a more cushioned experience for improved comfort during runs.
The men's KARHU Fusion 4.5 is the ultimate all-in-one shoe for runners seeking a unique blend of comfort, responsiveness, and performance.
Technologies KARHU Fusion 4.5
- Fulcrum + Propulsion Unit
- IdealKnit
- Nitrogen-infused AeroFoam midsole
- M-Lock lacing system
Weight US10: 302g / 10.7 oz
Heel-to-toe drop: 6mm
####description-start####
The all-new men’s KARHU Fusion 4.5 Bit of Blue / Skydiver provides a plush and propulsive ride ideal for the neutral runner. A shoe made for tempo runs, training sessions, and workouts. The newest version of the Fusion model is exceptional at seamlessly accelerating the transition from heel to toe-off, ensuring a responsive underfoot experience regardless of pace.
New adjustments to the shoe utilize refined IdealKnit mesh for improved breathability and comfort, with added reflective details for improved visibility. A redesigned tongue that is softer, more accomodating and offers a premium on-feet feel. The incorporation of nitrogen-injected AeroFoam in the midsole provides better rebound and a more cushioned experience for improved comfurt during runs.
The men's KARHU Fusion 4.5 is the ultimate all-in-one shoe for runners seeking a unique blend of comfort, responsiveness, and performance.
Details KARHU Fusion 4.5
- Shortened Fulcrum + Propulsion unit for an efficient stride.
- Nitrogen-infused AeroFoam midsole for improved comfort during runs.
- Updated IdealKnit mesh construction with improved breathability.
-Increased visibility with reflective prints
- M-Lock lacing construction ensures a secure midfoot.
####description-end####
####featured-start####
The KARHU Fusion 4.5 is a highly responsive, cushioned running shoe for neutral-footed runners. It is sure to elevate your run and propel you forward.
####featured-end####






















