Elastic, adjustable drawstring waist; Made of flexible fabric; Thanks to a sun protection factor of UPF 40+ (Ultraviolet Protection Factor), our swimwear provides protection against harmful UV A / UV B rays; Product Content and Features Product Content: Lining: 100% Polyester Product Features: Length: Standard Pattern: Printed / Patterned Product Type: Swimwear Silhouette: Swimwear Functional Feature: UV and Fast Drying Gender: Boys.