Get serious traction on the ice this winter: with Kahtoola MICROspikes on your feet, you'll be able to confidently stand, walk, or run on just about any icy terrain.. . Winner of Backpacker Magazine's 2012 Editor's Choice Gold Award. MICROspikes are ideal for walking, hiking, and running on snow-packed trails. 13% lighter weight than 2014 model for enhanced agility and maneuverability. Dynamic stainless steel flex chain adjusts to grip on any terrain and keeps snowballing at bay. 3/8 in. hardened stainless steel spikes grip ice, packed snow, wet rocks, even concrete. Updated design includes new quad-cleats on the heel for improved downhill traction (not featured on size X-Small). Front bar hold MICROspikes securely in place. Pull tab on the heel allows for easy on/off. Glove-friendly with no buckles or straps to tighten. Elastomer harness maintains suppleness to -76AdegF. Recommended for: hiking, running, shoveling, dog walking, ice fishing, and mail fetching. Bonus free tote bag included ($9.95 value). Imported. Sizing for hiking boots/tennis shoes is as follows:. . . Small fits Kids' shoe sizes 4.5 - 7 / Women's shoe sizes 5.5 - 8.5. Medium fits Women's shoe sizes 8.5 - 11 / Men's shoe sizes 7 - 10.5. Large fits Men's shoe sizes 10.5 - 14. X-Large fits Men's shoe sizes 14 - 16. . . Sizing for insulated Pac boots is as follows:. . . Medium fits Women's sizes 7.5 - 10 / Men's sizes 6 - 8.5. Large fits Women's sizes 10 - 12.5 / Men's sizes 8.5 - 11. X-Large fits Men's sizes 11 - 13.5.