Speedo Plain Moulded Silicone Cap Color:Silver the Thermal Swim Shirt conforms

the Thermal Swim Shirt conforms to a swimmer's upper body without restricting range of motion

The flex box on the bottom of the fin helps catch water on the up kick

Multipoint connection

Provides tactile cues to inform swimmers of incorrect head position

With a built-in speaker

Speedo Plain Moulded Silicone Cap Color:Silver the Thermal Swim Shirt conformsFeaturing an ergonomic 3D design for improved comfort and fit, this silicone swim cap creates a smooth outline in the water. A kit bag essential, the easy on and off design won't snag your hair. It's a great choice for regular training or leisure swimming and helps protect your hair from chlorine. Features & Benefits Featuring an ergonomic 3D design for improved comfort and fit, this silicone swim cap creates a smooth outline in the water. A kit bag