ThirtyTwo Women's Stw Db W's Snowboard Boots The women's stw double boa® brings pillow-soft comfort and all-day performance with a full rubber outsole and plush liner. The STW Double BOA joins the women’s lineup, built for all-day comfort and performance. With a cushy Comfort Tongue, soft Evolution Foam midsole, full rubber outsole, and plush Comfort Fit liner. This boot feels like a pillow on your feet, ready to carry you from first chair to last lap with ease.