Wooden snow skis are often used for cross-country skiing. Pine, hickory and birch are common materials. Wooden skis should be frequently polished for even wear and smoothness.
A polyurethane core can be found inside many skis. A box called a torsion box is filled with polyurethane, offering more cushion and support than standard wood skis.
Carbon steel often acts as a type of layered reinforcement in the core of the ski, especially in downhill skis that take a beating with terrain and frequency of use.
Laminate skis have several sheets of materials, including metal and fiberglass, layered in their core, making them stronger and more durable. Laminate material can be found in downhill skis used for alpine and freestyle skiing.
Titanium alloy is a white metal that has a high strength-to-weight ratio. This allows for a long-lasting ski that resists twisting and breaking.
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Julie Boehlke is a seasoned copywriter and content creator based in the Great Lakes state. She is a member of the Society of Professional Journalists. Boehlke has more than 10 years of professional writing experience on topics such as health and wellness, green living, gardening, genealogy, finances, relationships, world travel, golf, outdoors and interior decorating. She has also worked in geriatrics and hospice care.