Helmet mounted earmuffs custom made in Berkeley, California, USA, to WoS Wheels of Steel specifications. Upcycled merino wool is specially prepared and upcycled into the best thing to happen to the every day rider since blinking lights! Indispensable all winter, even on unseasonally warm California winter days, due to the magical properties of wool. Mounts to most cycling helmets, except the ski-snowboard type BMX helmets. These have been tested on full day in the saddle century's - excelling beyond the function limits of beanies and hankerchiefs. These are custom made to order, please allow 2-4 weeks in addition to shipping time.

WoS Helmet Warmers (1 set for your helmet) $40+ $5.80 USA Priority Mail 2-3 days -or- $24.75 International Priority Mail 2-10 days.