The thirtytwo STW Boa snowboard boots will have you dialed in quick so you can get the most out of every mountain ride! thirtytwo snowboard boots feature durable synthetic and textile uppers with a soft flex. Comfort Fit Liner System construction with dual-density Intuition Foam for moderate support and soft flex. It is lined with warm microfleece and is 100 percent heat moldable for a customized fit. Independent eyestay with zonal Boa Coiler tightening for forefoot support and parallel cable pattern for instep and heel lock. Heat-moldable performance fit liners. 3-D molded tongue for an even flex. Internal lacing system for a superior heel hold. Heel hold system for reliable heel lock down. Comfort footbed for added underfoot support and cushioning. 1:1 lasting. STI Evolution Foam outsole offers lightweight cushioning. Flex: Soft Imported. Measurements: Heel Height: 3 4 in Weight: 1 lb 11 oz Shaft: 11 in Product measurements were taken using size 9, width M. Please note that measurements may vary by size.