La Sportiva Spire Goretex Surround Hiking Shoes Grey EU 42 1/2 Man

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 gripSpecifications:- Weight: 15.50 oz / 440gMaterials:- 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.