Description of ThirtyTwo STW Boa Snowboard Boots - Women's '09 Whether you're new to spinning in the park or spinning the Boa™, you will fall in love with our Women's STW Boa™. Spin to win. Features: Boa™ Lacing System Rubber Outsole with EVA cushioning 3-D Molded Tongue wraps your foot for easy lacing and improved fit Internal lacing with custom lace lock Level 1 Fit System Liner with anatomical heel retention system Level 1 Fit System Footbed for performance, fit and support