Equinavia Valkyrie NordicAir GirthBreathable foam mesh outer as found in other NordicAir products Memory foam inside to help reduce pressure points Stainless steel roller buckles Double elastic at both ends Nylon web overlay for added stability Contoured at shoulders This all purpose girth offers excellent breathability and comfort. The Equinavia Valkyrie NordicAir Long Girth features a breathable foam mesh outer for enhanced airflow, a memory foam interior to reduce pressure points,