Even though it's still chilly with 〜が〜

Grammar Explanation: Contrasting with 〜が〜

ARIA The MASTERPIECE » Volume 7 » Page 4

Akari narrates about her group’s change from winter uniforms to summer uniforms.

灯里(あかり):: 「まだちょっぴり肌寒(はだざむ)いですが私(わたし)たちは今日(きょう)から衣替(ころもが)えをしました」; "It is still a little chilly, but we changed our uniforms today."