Manufactured from the same performance grade Aquatexx EV® used on the shelter itself, our Pioneer 100 Bivvy Skull Cap allows for a smooth transition into a twin-skin shelter, working to reduce condensation whilst offering additional protection, optimal airflow and unrivalled comfort. Not only has the Pioneer seen the introduction of the new Aquatexx EV®, but the additional Skull Caps have also seen a rise in technological advancements as well, featuring Aquatexx EV® to represent the utmost in contemporary shelter materials and a hydrostatic head of 25,000mm, far surpassing anything else on the market. You can pay with Paypal or Credit Card. Small items are sent with Royal Mail and larger parcels with my Courier. Courier postage costs are mainland UK only (Exc Highlands & Islands), for all