Layering starts at the base, and this lightweight thermal running top is designed to deliver comfort where it matters most. Crafted with breathable grid fleece fabric, it provides reliable warmth without added bulk, making it ideal as a performance base layer or a standalone top for cool-weather runs and training. The low-profile, athletic fit layers easily under outerwear while still flattering enough to wear on its own. Flatlock seams help reduce chafing and irritation, ensuring smooth, all-day comfort during long runs, workouts, and outdoor adventures. Whether you’re building a cold-weather layering system or looking for a versatile thermal running shirt, this lightweight grid fleece top offers the perfect balance of warmth, breathability, and comfort. 67% recycled polyester, 27% polyester & 6% spandex Lightweight grid fleece Warm, stretchy & quick-drying Tailored fit Flatlock seams Locker loop Elbow patches Machine wash cold, tumble dry low, don't bleach, mmkay? Designed in California, made abroad
