Satin undercaps are a must-have for a hijabi. It will protect your hair from losing it's natural oils that are easily absorbed by cotton undercaps. It feels cool on your head for all seasons. It prevents hair loss by not causing friction that cotton undercaps have. It keeps your hairs natural silkiness.
Tie back style with elastic to adjust accordingly.
One size - universal fit - large enough for your hair bun etc.