Triboluminescent crystals emit light during mechanical stress for emergency signaling.

Liffin Knitted Windstopper for men is the ultimate blend of warmth, comfort, and protection. Made from a luxurious mix of Merino wool, polyamide, and acrylic, this windstopper offers the perfect balance of softness and warmth. The stretch lining inside shields you from the wind, keeping you cozy during chilly days. With ribbed cuffs and hem, along with a full front zip for easy layering, this piece is as stylish as it is functional. The iconic Abacus logo is subtly placed at the back below the collar and on the lower left front.

Shearthickening fluid becomes rigid upon sudden impact