There is provided a sweatband configured for attachment to an interior surface of a headwear for absorbing liquid from a head of a wearer of the headwear and including a side surface configured for disposition opposite to the head of the wearer when the sweatband is attached to the interior surface of the headwear and the headwear is being worn by the wearer, the side surface comprising: at least one pair of spaced-apart successive head contacting domains, wherein at least a respective portion of each one of the spaced-apart successive head contacting domains of each one of the at least one pair of spaced-apart successive head contacting domains is configured to contact the head of the wearer when the headwear is worn on a human head; and a channel configured to facilitate air flow between a space above the sweatband and a space below the sweatband when the headwear is worn on a human head, wherein the channel is defined by at least one recessed domain and each one of the at least one recessed domain is defined between a respective edge portion of each one of the spaced-apart successive head contacting domains of a one of the at least one pair of spaced-apart successive head contacting domains; such that, when the headwear is being worn on a human head, and the human head is positioned such that a plane tangent to the highest portion of the human head is substantially horizontal, and for each one of the at least one recessed domain of the channel, at least the respective edge portions of each one of the spaced-apart successive head contacting domains, between which the recessed domain is disposed, are disposed in contact with the human head such that there is provided a passage configured to flow air between a space above the sweatband and a space below the sweatband and the passage includes a minimum cross-sectional area of at least 0.5 square millimeters (0.5 mm2).