- High abrasion resistant, breathable Mesh with Nano Cell 2.0 structure and PU TechLite toe cap and heel
- Shock absorbing, compressed EVA with TPU sides and aeration channels in GORE-TEX® SURROUND®
- Ortholite Mountain Hiking 5mm
- Vibram XS Trek con Impact Break System
- Ortholite Hybrid with 5% recycled rubber + 15% production waste foam
The Spire GTX Women's 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. The Spire GTX is perfect for hikers who want a light duty hiking boot for day trips in variable to rugged terrain, and for backpackers who seek a versatile and waterproof boot that breathes well and supports lighter loads.