Read honest and unbiased product reviews from our users. Find helpful customer reviews and review ratings for ThirtyTwo Women's Binary BOA W's-W, Black, 6 M US at. STW Boa Snowboard Boots - Men's - 2019/2020. 4 reviews with an average rating of 2.5 out of 5 stars. Featuring zonal upper and lower lacing with the dual Boa® closure system, the medium-flexing thirtytwo Binary Boa snowboard boots help you get a precise fit, chase pow and stomp your landings.