Helix Women'sLowest Temp: 55F 12. 5CBuoyancy Profile: 5: 5: 4 The 7th version of the Women's HELIX is hands down the best yet. Weve maintained the legendary fit and feel that defines the HELIX while improving the paneling to encourage natural rotation and increase distance per stroke without increasing effort. Premium Yamamoto neoprene and liner materials combined with cutting edge design means the best just got even better. Key Features: Torsion Stretch