Thermochromic “Jack Frost” Scarf Reveals Snowflakes as Mercury Drops

Diana Eng, made in the U.S.A., wearable technology, thermochromatic, eco-fashion, sustainable fashion, green fashion, ethical fashion, sustainable style

No matter how frightful the weather outside gets, Diana Eng’s “Jack Frost” scarf will delight with snowflakes that magically appear as soon as temperatures drop. A magical spin on technology in fashion, the scarf uses thermochromic inks that react with cold to produce the awe-inspiring effect. At 65 degrees Fahrenheit, tiny flurries begin to materialize, becoming progressively larger as the mercury falls further.


Part of the “Smart Scarf” collection, each 72-inch long scarf is made in the United States from 100 percent cotton jersey. Eng uses specialized small-production-run technologies, first to dye the fabric the perfect color, then to cut it in a way that ensures the least amount of waste. And because the material Eng chose doesn’t fray, it does not require additional edging or hemming.

Each 72-inch long scarf is made in the United States from 100 percent fray-proof cotton jersey.

Both the scarf and the hand-screened dust bag it comes in bear Eng’s imprimatur—a personal guarantee of excellence she applies only after they pass inspection. Don’t worry about it being too precious to take care of, however. Simply toss the scarf into the washing machine whenever it needs a good clean.

+ Jack Frost Scarf $60

+ Diana Eng

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