Timber Ninja Frostline Bootcovers Olive/Black Extra Large. They feature a neoprene shell with PVC leather and Hypalon reinforcements plus a fleece-lined interior and a toe pocket for a heat pack. A closed-cell PE foam bottom helps block cold transfer from metal platforms and includes slip-resistant traction with an abrasion-ready exterior. Top-entry access with cinch buckles and a drawcord system provides a secure adjustable fit. Specifications for Timber Ninja Frostline Bootcovers: Manufacturer: Timber Ninja Size: Extra Large Gender: Unisex Color: Olive/Black Weight: 21 oz Fabric/Material: Hypalon PVC Leather Neoprene Water Resistance Level: Water Resistant Features of Timber Ninja Frostline Bootcovers: Neoprene shell PVC leather and Hypalon reinforcements Fleece-lined interior Toe handwarmer pocket Closed-cell PE foam bottom Cold-blocking bottom barrier Slip-resistant traction bottom Abrasion-ready exterior Top-entry opening Cinch buckles and drawcord closure system Weight: 21 oz Available in regular fits men's 9 to 11 XL fits men's 11.5 to 15 Package Contents: Timber Ninja Frostline Bootcovers Timber Ninja FIBCXL97927: Frostline Bootcovers Olive/Black Extra Large