The entire lunch box goes in your freezer overnight (12 hours) to activate its built-in freezable gel

Upper material Polyester fabric itemFfUpper Insole material 2mm EVA + Antimicrobial Drilex Sockliner Sole material XSTREK Rubber 3mm weight M43 / 139g colour Gray / Orange Washing / drying Machine Cold / Air Dry

Crew length

Castelli Bellissima perforated elastic waist

Water-Resistant

Vibram Furoshiki Ecofree Men's - Ice Color_Black /Pink The entire lunch box goesSOLE Vibram Ecostep Natural Vibram Ecostep Natural outsole, made with more than 90% natural ingredients Additional Information DESCRIPTION The comfy, stylish Furoshiki ECO FREE is eco conscious version our popular wrapping sole. Inspired by the Japanese tradition of wrapping, carrying and holding objects, the soft upper fabric wraps comfortably around the foot, and secures snugly for a quick, easy fit. Furoshiki ECO FREE features a durable, flexible