Nike

ACG USA Fly Therma-FIT Unstructured Cap

What Our Gearhead® Experts Are Saying:

"I grab this cap when I want warmth without going full beanie. The fleece-backed build keeps my head comfortable in cold weather, and the unstructured fit sits naturally without feeling stiff. It’s an easy win for cool hikes, travel days, or everyday wear when conditions are unpredictable."

When cold air rolls in but we still want the versatility of a cap, the Nike ACG Fly Therma-FIT Unstructured Cap fits the bill. Designed with outdoor-ready functionality and everyday comfort in mind, this piece delivers warmth without sacrificing breathability or style. The soft faux-fur construction paired with a brushed fleece interior creates a cozy feel that’s ideal for crisp mornings and late-season adventures.

Nike’s Therma-FIT technology helps regulate body heat, keeping us comfortable when temperatures dip, while the unstructured design offers a relaxed, natural fit. A water-repellent patch adds light weather protection, and the adjustable webbed back strap ensures a secure, dialed-in feel. From trailhead starts to city errands, this cap brings dependable warmth and ACG-inspired utility wherever the day takes us.