5mm vent holes throughout the arch, along with a breathable fabric covering the padding system, air circulates freely throughout the Varsity Flex™ pads. The Varsity Flex™ features a two-layer padding system that features closed cell, EVA impact foam for maximum protection. A layer of comfort foam helps with the fit and comfort of the pad. The moisture-wicking Aero-Dry™ spacer fabric helps move sweat and heat away from the body. The Varsity Flex™ features a two-layer padding system that features closed cell, EVA impact foam for maximum protection. A layer of comfort foam helps with the fit and comfort of the pad. The moisture-wicking Aero-Dry™ spacer fabric helps move sweat and heat away from the body. Ventilated arch and sub-arch, to increase air flow. Raised corrugations on the arch for durability. 3-Point Belt and harness system. Aero-Dry™ spacer fabric that’s light and durable. Stainless Steel Hardware. Non cantilever design for a very low profile, flat pad.