The North Face - Sierra Mid Lace Waterproof. Color Zinc Grey/Aviator Navy. Low Stock. On sale for $92.35. MSRP $149.00.. 4.3 out of 5 stars2 left in stockBrand NameThe North FaceProduct NameSierra Mid Lace WaterproofColorZinc Grey/Aviator NavyPrice$92.35MSRP: $149.00