Spark R&D Surge Asym Rip N Flip Highback spark-rd The lighter aggressive “airpod” strap

The lighter aggressive “airpod” strap has independent pressure pods that pull into your boot from the sides without placing direct pressure on the front of your foot

The merino wool offers natural thermoregulation and odor resistance

and comfort of the Smartwool Cycle Zero Cushion Crew socks

You are going to notice the difference right out of the box

Range: 50 meters

Spark R&D Surge Asym Rip N Flip Highback spark-rd The lighter aggressive “airpod” strapNew for the 22 23 season from Spark is the Asym Rip 'N' Flip Highbacks designed from molds of popular snowboard boots for increased ergonomics and durability. These highbacks have the same great uphill and downhill performance of the traditional Rip 'N' Flips Spark is known for with a few upgrades: an asymetrical shape to match your natural stance, more material at the base for additional durability and a flatter upper section for improved lateral