This model features flame-retardant material in the upper. The fabric uses cotton-like "TAKIBI" for an original feel. ・Retail Price: ¥9,350 (tax included) ・NANGA x SUBU ・Product Name: TAKIBI WINTER SANDAL ・Color: CHA Charcoal ・Size: 2 ・Material: Fabric: Polyester, Aramid fiber blend Sole: Synthetic rubber ・Included: Storage bag *Please refrain from purchasing if you are nervous about the item being stored at home or if you are looking for a perfect product. Please refrain from purchasing if you are nervous. The size is based on how it feels when worn, as there is no size chart from when it was purchased. Please understand.