Ivivva By Lululemon Girls Pink Tie Dye Water You Up To Rashie Rash Guard. Long sleeve. Crew neck. UPF 50+ sun protection. Four way stretch. Thumbholes. Tight fit. Polyester, xtra life lycra elastane blend. Size 8. Armpit to armpit: 11". Armpit to end of sleeve: 21". Length: 18".