The Icebug Alne Bugrip studded shoes for men and women are a sporty choice for brisk walks in conditions where bike paths or trails have developed slippery ice or snow surfaces. The Alne shoes feel light on your feettheir weight is closer to that of running shoes than hiking boots. The Boa quick-lacing system is easy, fast, and precise to use. As a bonus, it keeps the lace ends from dangling around. The studs and cushioning are optimized for walking: the studs are evenly distributed across the sole, and the Alne shoes provide a smooth, rolling step. - Wide fit - Upper made of durable bluesign®-certified fabric crafted from recycled PET plastic - Fleece lining is solution-dyed polyester made from PET plastic - Waterproof BugDry membrane The Alne shoes contain 7% bio-based material. The outsole includes 23% renewable natural rubber and 20% recycled rubber. Solution dyeing reduces water and energy consumption as well as the chemical load of production.