Gear Question Tretorn Jolly Vinter Boot - Girls' No product reviews. Be the first to testify. MESSAGE_KEY: label..header NOT FOUND IN REPOSITORY Item # TRT0029 Size? Quantity add to cart View details Tech Specs Upper Material: 100% PVC-free natural rubber Waterproofing: yes Insulation: synthetic faux-fur Sole: vulcanized gum rubber Lacing: slip-on Recommended Use: rainy days, mild foul weather Manufacturer Warranty: limited Unanswered Question erin Posted on May 29, 2011 Are these appropriate for winter wear? ... Are these appropriate for winter wear? For which temperatures are they good for? I live in Canada and they need to be good for at least -30 degrees Celsius. (0) View More Details on Tretorn Jolly Vinter Boot - Girls'