| Size | Length | Chest | Sleeve Length | Recommended Weight | Recommended Height |
| 4# | 56 cm (22.0") | 78 cm (30.7") | 60 cm (23.6") | 42.5–50 kg (93.7–110.2 lbs) | 155–165 cm (61.0"–65.0") |
| 6# | 58 cm (22.8") | 84 cm (33.1") | 62 cm (24.4") | 50–60 kg (110.2–132.3 lbs) | 160–170 cm (63.0"–66.9") |
| 8# | 60 cm (23.6") | 90 cm (35.4") | 64 cm (25.2") | 60–70 kg (132.3–154.3 lbs) | 165–175 cm (65.0"–68.9") |
✨ Rulu Running | Mock Neck Thermal Base Layer ✨
🏆 The "Golden Standard" for Winter Innerwear
Experience the ultimate "ceiling" of winter base layers. Designed for those who refuse to sacrifice style for warmth, this ultra-soft, fleece-lined top provides a "Naked Feel" while perfectly contouring your silhouette for a flattering, slim-waist look ⌛️.
🌟 Why Choose Our Authentic Dralon®?
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🔥 The Dralon® Advantage: Unlike luxury brands that use thinner brushed fabrics, we use Authentic Dralon® for maximum heat retention.
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☁️ Cloud-Like Softness: This high-performance thermal material provides a soft texture that ordinary fleece cannot match.
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🪡 Seamless Mock Neck: Our collar features a clean, seamless finish—no messy stitches or ugly visible joins like cheaper alternatives 🚫.
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⏳ "Hourglass" Fit: The pattern has been adjusted multiple times to balance extreme comfort with a beautiful "small waist" effect.
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⚡️ Premium Performance: Engineered to be Anti-Static and Anti-Shrink, ensuring it feels like new after every wash 🧼.
🛡️ The "Winter Survival" Golden Trio


Stay warm even in the coldest climates by pairing this top with our signature set:
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The Base Layer: 👚 Rulu Running Mock Neck Thermal Top.
- The Armor: 🧥 Our 5-Grid Insulated Jacket, a true winter heat-trap.
(click 👆 to buy)
3. The Bottom: 👖 Scuba Fleece-Lined Pants for total lower-body warmth.
(click 👆to buy)
📝 Product Details
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Texture: Ultra-soft "Cloud Feel" with a cozy fleece lining 🧸.
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Fit: High-stretch, skin-friendly, and incredibly slimming ✨.
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Colors: Available in 2 versatile, classic shades that pair perfectly with any outfit 🎨.
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Availability: ✅ In-stock and ready for Immediate Dispatch 📦.