This is greatest boots selections store and most wanted model for shopping. We have free shipping for the Sorel Snow Cat Strap Inboot Grey Footwear: These liners fit the Sorel Snow Cat Strap boots for Women. ; Reinforced seams and heel area for exceptional durability. Two-layer construction: The wicking polypropylene pulls moisture away from the foot. Insulative blend of polypropylene and recycled polyester traps warm air. Stretch front shaft ensures comfortable fit and seals cold air out. 9mm washable recycled felt.