OptiCool Headgear is designed to absorb and reduce the impact of head injury and to aid in the prevention of bruises and lacerations The ventilated protective core of the helmet is covered in breathable Lycra for added comfort and durability Newly designed durable soft hook and loop cloth hook and eye strap includes a removable chin guard that allows for extra protection when neededFeatures. Form fitting helmet for easy wear. Vent holes added for more ventilationg during use. Adjustable cloth hook and eye strap for a nopinch comfortable fit. Hookandloop style securing method for easy application. Cooling packs easily fit under material for extra cooling. 05 in lightweight foam for comfortable fitSpecifications. Color Blue. Size Medium. Model Single Shell EVA Helmet. Capacity 42 oz