Read more Read more Read more Phantom 8000 Phantom 6000 Phantom Tech Mont Blanc Pro GTX Rebel Ice Phantom 8000L HD Boot Type (Single or Double) Double Boot Double Boot Single Boot Single Boot Single Boot Double Boot Insole Carbon Fiber + EVA + Aerogel Carbon Fiber + EVA Carbon Fiber + EVA + Aerogel Pro-Fiber XT 20 Carbon Fiber Carbon Fiber + EVA Aerogel Midsole EVA-MP 2D EVA-MP 2D PU PU+TPU Light PU EVA-MP Weight 1310g; 2lb 14oz (1/2 pair size 42) 995g; 2lb 3oz (1/2 pair size 42) 730g; 1lb 9.6oz (1/2 pair size 42) 900g; 1lb 15oz (1/2 pair size 42) 410g; 14.4oz (1/2 pair size 42) 1320g; 2lbs 14.2oz (1/2 pair size 42) Best Use Expedition, High-Altitude, Ice Climbing, Mixed Climbing Expedition, High-Altitude, Ice Climbing, Mixed Climbing Expedition, General Mountaineering, High-Altitude, Mixed Climbing Field Work, General Mountaineering, Ice Climbing, Mixed Climbing Ice Climbing, Mixed Climbing Expedition, High- Altitude, Ice Climbing, Mixed Climbing Waterproofing PU Tek + S-Tech Fabric with HDry K Tek + S-Tech Fabric + Super Fabric with HDry PU Tek + S-Tech Fabric with HDry GORE-TEX Insulated Comfort N/A PU Tek + Schoeller + HDry + Primaloft 200