Uvex 1 X tended Support S3 SRC Lace Up Boots {ALL COLOURS SIZES} Sharp Safe These medium sized rugged secure These medium sized rugged secure holdalls are ideal for transporting or storing large volumes of documents The box has been strength tested to 380kg The ergonomic construction of the uvex 1 safety shoes offers the perfect balance between protection and comfort not thermally conductive and with good side stability• Ergonomically designed outsole made from dual density polyurethane with excellent slip resistance• Medial and lateral heel support for the foot with specially designed side frame – provides additional protection from ankle twisting