BASE+ 2.0 Thermal Top | HOMI Slim Double‑Layer Base Layer

The HOMI BASE+ 2.0 Thermal Top redefines what a base layer can be. Built with our exclusive SUSTAIN THERMO TECH double-layer fabric, it delivers the perfect balance of lightweight warmth, breathability, and antibacterial protection. Designed for modern explorers, this slim-fit long-sleeve keeps you warm without the bulk of traditional thermals — making it the ultimate layer for skiing, travel, or everyday wear.

Whether you're skiing in Hokkaido, catching an early flight, or braving a crisp spring morning commute, BASE+ 2.0 adapts to three seasons of style and comfort.

Key Features

• SUSTAIN THERMO TECH Double-Layer System — fine fibers trap body heat while the double-layer structure creates an insulating air space within the shirt
• MicroBan® Antibacterial Outer Layer — inhibits odor-causing bacteria for multi-day freshness on trips and adventures
• Ceramic Micro-Brushed Inner Lining — ultra-soft fleece-like texture for skin-friendly comfort and enhanced moisture control
• Far-Infrared Zones at Shoulders & Elbows — targeted warmth at the joints that cool down fastest
• Silver Nano Technology — additional odor resistance built into the outer fabric structure
• UPF 50+ Protection — sun protection for outdoor activities across all seasons
• Moisture-Wicking & Quick-Dry — wash at night, wear again the next morning
• Slim Fit — disappears under any jacket or shirt without adding bulk
• Made in Taiwan — trusted by 6,000+ backers worldwide

Why BASE+ 2.0 Over Regular Thermals?

• Travel Light — one top replaces multiple layers in your luggage
• Outdoor Ready — purpose-built for skiing, hiking, and cold-weather training
• City Smart — sleek design works as a daily long-sleeve with no compromise on style
• 3-Season Versatility — wear solo in spring/fall, or as a base layer under jackets in winter

Sizing

For a regular fit, choose one size bigger than your usual size. For a slim fit, choose your usual size. Available in XS – 3XL.

Frequently Asked Questions

What makes BASE+ 2.0 different from regular thermals?
It uses SUSTAIN THERMO TECH double-layer fabric with ceramic micro-brushing and MicroBan® — offering warmth, odor control, and softness in one lightweight piece. Unlike bulky cotton thermals, it stays slim and breathable.

Can it be used for skiing or travel?
Absolutely — BASE+ 2.0 was designed for ski trips, outdoor adventures, and long flights. It's quick-dry, odor-resistant, and slim enough to pack flat.

Is it only for cold climates?
No — its lightweight warmth and moisture-wicking make it ideal for cool spring and autumn days too. It's a genuine 3-season piece.

Wear It With

For a complete winter layering system, pair the BASE+ 2.0 with the Next 2.0 Heated Jacket as your outer layer and the Sustain Sport Heated Vest as a mid-layer for extreme cold.

Real-World Use

See how BASE+ 2.0 fits into a complete winter outfit in our Hokkaido winter outfit guide, our Niseko ski outfit guide, and our deep-dive Thermal Shirts Explained guide — covering how thermal fabric technology actually works and why BASE+ 2.0 outperforms standard thermals.