| Product Review: NOTICE: La Sportiva products cannot be shipped outside of North America. The Thunder GTX is a lightweight, waterproof, supportive, backpacking boot for going fast and light. Upper: Suede Leather and Cordura Last: Trango2 Lining: Gore-Tex Sole: Vibram Light Runner Insole: 4mm Trailflex w/Half Steel Shank Midsole: Trailon Weight: 2 lbs. 12 oz./pair (41) Size Chart Visit Sportiva.com to see the entire product line. |