Thermo material cap that keeps you warm even in cold water. I used it only once, but it didn't fit my head. - Brand: TAVARUA - XL size (60-62cm) - Material: Thermo material - Features: Warm performance, UV care - Design: Black, with side straps About this product [Product Information] Side mesh straps for good water drainage. Highly insulating neoprene material. Normal type cost-performance type that fits the head. [Size] L size (57cm-59cm), XL (60cm-62cm) [Color] BLACK [Usage] This product is often used as a companion for the sea in winter. It's a must-have product that can be used in various situations! Thank you for viewing.