Icebug Women's Diana BUGsole Winter Boot 100% Leather/Textile Synthetic sole Shaft measures approximately 10.5" from arch Heel measures approximately 1.25" Platform measures approximately 1. inches Compatible with Icebug BUGweb Studded Traction Accessory - Sold Separately BUGsole traction rubber for grip on all surfaces Suede leather and Ripstop nylon upper with warm fleece lining Side zip and front lacing system BUGdri membrane keeps feet warm and dry Comfort EVA midsole with stabilizer -4F/-20C Comfort Zone