racer portl pants red light gray dark gray vented The Nucleon Flex Plus family

The Nucleon Flex Plus family of impact armor features a rider-friendly design that adapts to the contours of the rider’s body - ensuring maximum comfort and protection

and breathable comfort

featuring a secure ratchet closure and reinforced inner knees for superior bike grip

a unique offering from Alpinestars

Alpinestars' Short Racing Road Socks have been developed for the street rider who demands excellent fit and feel

racer portl pants red light gray dark gray vented The Nucleon Flex Plus familyRefined for the 2026 collection, the Racer Portl Pants are Alpinestars' core off road performance gear, developed and tested on the world's toughest terrains. Featuring durable 600D poly fabric construction with Supertech derived stretch ripstop inserts, they deliver an optimized race fit and superior freedom of movement. Goat leather inner knees and a secure SX2 magnetic buckle ensure premium heat resistance and a customized, performance ready feel.