The Salomon Start Impact Tank is a light weight tank with adjustable, integrated bra and super breathable mesh side panels. Great for running in hot weather. Material: PES 100% Inner Bra: PA 77%, EL 23% Insert: PES 100%. Actilite Sensifit Bra: Wicks moisture away from the body and dries quickly. Actilite Stretch Mesh: Wicks moisture away from the body and dries quickly. Actilite Light Jersey: Wicks moisture away from the body and dries quickly. Skin Fit: Next to skin fit. Inner Bra. V Neck. Stash Pocket. Reflecitve branding front & back.