Kahtoola MICROspikes

Lightweight and economical, this pocket-sized traction system stands up to slippery terrain. A grippy, durable, slip-on traction system that features strategically placed stainless steel spikes connected to a dynamic flex-chain with a tough elasticised shoe harness.
The MICROspike chain adjusts itself to grip nearly any surface, from ice and packed snow to wet rocks, concrete etc. Extremely durable, MICROspikes require no special buckles or straps. The pocket-sized traction device is the answer for people of all ages who want to stay active in the winter with convenient, effective foot traction
MICROspikes are ideal for walking, hiking and running on snow-packed trails.

3/8-inch-long spikes
Dynamic stainless steel flex-chain with a tough elasticised shoe harness
Only 9.8–14.4 oz (280–411 g) each, depending on size.
Securely attaches to running shoes, lightweight hikers, everyday shoes and snow boots.