Locked and loaded power, comfort, and convenience combine to create the Burton Photon Boa 19 boot! Available in wide sizes. Lacing: Dual Zone Boa Coiler Closure System Lockdown Tech Powered by Burtons exclusive New England Ropes Flex/Response: 1:1 firm flex PowerUP tongue GripLITE backstay Comfort: Total Comfort Construction Snow-proof internal gusset Aegis antimicrobial coating Liner: Imprint 3 Liner Focus Cuff Cushioning: Rubber ice spikes B3 gel Sleeping Bag Reflective Foil ESS Support Shank Level 2 molded EVA footbed. Outsole: Vibram EcoStep rubber outsole design [30 percent recycled] Low-Profile EST optimized midsole Shrinkage footprint reduction technology Imported. Measurements: Weight: 2 lbs 5 oz Shaft: 10 1 2 in Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.