Padded collar Protective and abrasion resistant synthetic heel and toe cap Dual heel and tongue loops for ease of entry as well as carabiner compatibility Cleansport NXT treated for natural odor control MERRELL rubber outsole provides durable traction Measure your foot length and width if you have a measuring tape, just step on it and measure.Or take a piece of paper, step on it, and trace the shape of your feet with a penUse a ruler to measure how many centimeters are the longest and the widest?The width of the foot refers to the widest part of the sole of the foot, approximately from the big toe to the bottom of the little toe, taking the widest width The length of the foot refers to the longest part of the foot, which is approximately the length from the second thumb to the heel. Take the longest length.