Buy online now or check it out at your local ERIK'S
All you have to do is rinse it with fresh water
Because its a fairly slender bladder, the inner walls tend to stick together when wet, and the sliding closure end rests in a sealed position, restricting airflow

SSL (Super Super Light) composite fiber, aramid, and carbon fiber shell IVS (Integrated Ventilation System) with wide ducts hollowed into shell Scratch-resistant visor with wide field of vision with tear-off pins, ready and suitable for tear-off shields Visor is class 1 optical standard approved for excellent vision XQRS (Extra Quick Release System) so you can replace the shield in seconds without the use of tools The field of vision is 15 degrees wider and the overall visor window area has been increased by 9% compared to the previous helmet, without compromising its level of protection The basic visor movement area has been reduced by 71% compared to the GP-Tech helmet, this allows use of the space saved to increase the thickness of the absorption material, benefiting safety Breathable Lycra micro-porous lining and Dry-Comfort fabric with sanitizing treatment, fully removable and washable Padding has a 3-D concave structure which is pre-shaped according to the morphological characteristics of the head, while the surfaces in direct contact with the head are free from stitching for guaranteed comfort Communicator compatible DOT and ECE 22.05 certified WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm

This leaves enough room for storing tech, snacks, water bottles, and spare jackets, with plenty leftover for whatever specifics are needed that day