the Anomaly series uses a two-piece laminate with a sheet of fiberglass in between the layers

Machine wash in warm water on gentle cycle with socks inside-out

and a PFC-free Teflon® EcoElite™ DWR outer shell

LENGTH (cm) TYPE Sidecut

Hotronic XPL1C Foot Warmer Power Set System Ski the Anomaly series uses aThe Hotronic XLP 1C Foot Warmer Power Set provides rechargeable battery power for Hotronic foot warmer systems. With three constant heat settings plus a Power Boost option, the battery packs let you adjust warmth output using the onboard power button. The set includes 3000 mAh lithium ion batteries, a USB recharging cable, and a Smart XLP recharger with global adapters.