- Waterproof and breathable: Equipped with Insidry® membranes that guarantee that the boots are both waterproof and breathable

The jacket has a removable thermal feed

with state-of-the-art safety and comfort

Ventilation system with front and upper inlets

TWIN AIR Powerflow Kit - Air Filter - 151129C yamaha-x-city-250--sg19--250-2009-esi6840763 - Waterproof and breathable: EquippedThe Best Filter in the World Can't Do Its Job if there are leaks in the seal of the airbox. Twin Air's Powerflow Kits Ensure a Leak Proof, Fool Proof Fit With a Rigid, Lightweight Aluminum Cage That Replaces Your Flimsy, Plastic Stock Cage And, When Needed, A Billet Aluminum Flange That Bolts Tight Tight. Powerflow Kits are Custom Designed to Each Unique Application for Superior Airflow, Improved Sealing Surface, Removal of the Restrictive Backfire