Zappos.com is proud to offer the Asolo - Shiver GTX (Black) - Footwear: Take on any trail with the Asolo Shiver, just lace up and go. ; Water-resistant suede upper provides sleek protection from the elements. ; Lace-up closure for a secure and snug fit. ; GORE-TEX lining offers durable waterproof protection that provides excellent breathability to minimize heat retention. ; Heel pull offers an easy entry. ; Lightly padded collar and tongue for added comfort. ; Cushioned insole for excellent comfort. ; Toe bumper offers additional protection from debris. ; Durable Asolo-Vibram rubber outsole provides excellent traction and grip on many surface types. ; Weight: 14 oz ; Product measurements were taken using size US Men's 9. Please note that measurements may vary by size.