
The Cardinal CA7838 is Carolina's Capacity-series 8" waterproof composite-toe boot with 600 grams of Thinsulate™ — barnyard acid resistant, kiltie and all, for cold and caustic ground. Key Features of the Carolina CA7838 Composite Safety Toe Cap — Meets ASTM F2413 for impact (I/75) and compression (C/75), with less cold transfer than steel. 600 Grams of Thinsulate™ Insulation — A true cold-weather weight. Barnyard Acid Resistant — The outsole resists the manure and fertilizer acids that eat ordinary rubber. Muddy River Dark Coffee Leather Upper — Rugged full-leather build. Waterproof SCUBALINER™ — Carolina's proprietary waterproof lining system. Mesh Lining — Breathable against the foot. EVA Midsole — Lightweight cushioning underfoot. Removable AG8™ Polyurethane Dual-Density Foam Footbed — An update to the AG7, with enhanced arch support. Removable Kiltie — Lifts out for cleaning or a different look. Electrical Hazard Rated — Tested to withstand up to 18,000 volts at 60Hz for one minute without leakage. Triple-Rib Steel Shank — Holds the boot's shape under heavy load and torque. TPU Heel Stabilizer — Controls heel roll on uneven ground. Cement Construction — A bonded sole that keeps the boot light and flexible. Oil- & Slip-Resisting Rubber Lug Outsole — Aggressive tread. How Much Warmth Is 600 Grams? 600g Thinsulate™ is a genuine winter weight — built for sustained work well below freezing, or for standing still outdoors in the cold. If you're moving hard, or working indoors, Carolina builds the same boot uninsulated as the CA7837. What Barnyard Acid Resistant Means Manure, urine, and fertilizer are chemically aggressive. They break down ordinary rubber compounds from the outsole up, and a boot that shrugs off water will still come apart in a dairy barn or a feedlot. A barnyard-acid-resistant outsole is formulated to withstand that exposure — which is why this is a boot farmers and livestock handlers reach for, not just a winter boot. Support Where the Boot Is Worki
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