Personal cooling revolution for urban commuters
YoyoCold delivers instant, refreshing cooling through snap-in phase-change cartridges. Click frozen cartridges into your lightweight vest before your commute and experience 2-3 hours of blissful cooling—like wearing your own personal air conditioner.
Join the Revolution ❄️You're drenched in sweat cycling to work on a 95°F day. You click two small cartridges into your lightweight vest, and within 90 seconds you feel an instant wave of cooling spread across your back and chest—like stepping into air conditioning while still moving.