LA SPORTIVA Spire Goretex Surround Hiking Shoes Black / Bamboo, 40

The Spire GTX is a low cut mid-duty waterproof hiker/backpacking boot featuring 360 degree breathability from the Gore-Tex® Surround™ Technology and an innovative STB control system. Features: - Durable abrasion resistant mesh upper provides protection while Nano Cell 2.0 structure provides maximum breathability - Nano Cell 2.0 Technology works with Gore-Tex® Surround™ aeration channels within the footbed and midsole - STB control system inegrates Gore-Tex® Surround™ ventilation outlets and provides a comfortable, snug fitting, and stable boot - Vibram® XS Trek with Impact Brake System™ sole provides traction and grip Specifications: - Weight: 15.50 oz / 440g Materials: - Laces: 100% Recycled Polyester - Upper: Abrasion-resistant mesh / Nano-Cell™ 2.0 / PU TechLite toe and heel - Lining: Gore-Tex® Surround™ - Insole: Ortholite Hybrid with 5% recycled rubber + 15% production waste foam - Midsole: 5mm Ortholite Insole / Compression Molded EVA / TPU inserts / Gore-Tex® Surround™ aeration channels - Sole: Vibram® XS Trek with Impact Brake System™ / FriXion® Technology: Gore-tex® Surround®: - Waterproof membrane that channels heat and moisture away from feet for 360° of breathability and all day comfort. Impact Brake System™: - Lug pattern with slanted and opposing angles to reduce impact forces and increase traction. Nano Cells 2.0: - Works with GORE-TEX® Surround® Technology to enable unprecedented breathability from underfoot. Vegan: - Products are free of animal-derived materials. Vibram®: - High performance rubber compounds in outsoles that is known for superior grip, traction, and durability. Ortholite® Hybrid™: - Eco-friendly and washable insole made from breathable and durable PU foam cells and recycled rubber.