A thermal treatment takes the blueseventy Neoprene cap to the next level. By incorporating a hollowed wool liner composed of yarn fibres (zirconium) on the internal jersey we reduce water absorption which helps create an extra boundary layer to protect against heat loss. For those truly chilly swims stay warm in blue seventy's Thermal Skull cap.
A thermal treatment takes the blueseventy Neoprene cap to the next level. By incorporating a hollowed wool liner composed of yarn fibres (zirconium) on the internal jersey we reduce water absorption which helps create an ext...
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