Women's Bogs Footwear Hazel Tall Adjustable Calf Winter Boots These tall waterproof boots combine sleek lines with rugged readiness. The 3 mm Neo-Tech upper and Max Wick lining keep warmth in and moisture out, while the adjustable calf ensures a secure fit. Reinforced with a steel shank and finished with a durable BOGS Grip outsole, these boots move easily from urban errands to outdoor chores.