➤ Wash on wool cycle (cold), use mild detergent, air dry.
➤ Base layers are performance-focused thermals with better moisture management.
➤ Yes — our layering system is built for -20°C.
➤ Garments use natural materials, packaging is plastic-free. Some trims may contain synthetics, but we’re reducing them constantly.
Packing for winter travel often means choosing between staying warm and carrying bulky gear. Plus, fast-fashion winterwear contributes to pollution and waste. Kosha believes in a better way — travel light, stay warm, and stay conscious.
Your base layer regulates temperature and moisture. Still wearing cotton thermals? It’s time to upgrade.
Explore base layers for men & women. Custom sizes available.
Designed for compression and warmth, Kosha’s gear performs like heavy-duty winterwear — minus the bulk. Packable, lightweight, and travel-ready.
Yes — it all fits in your carry-on.
Shop our full winter accessories range.
Choose sustainable layers, pack smarter, and travel lighter. With Kosha, you don’t choose between style, warmth, or responsibility. You get all three.
1. How do I care for Kosha base layers?
Wash on wool cycle (cold), use mild detergent, air dry.
2. Thermal vs. Base Layer?
Base layers are performance-focused thermals with better moisture management.
3. Is Kosha warm enough for the Himalayas?
Yes — our layering system is built for -20°C.
4. Are Kosha products plastic-free?
Garments use natural materials, packaging is plastic-free. Some trims may contain synthetics, but we’re reducing them constantly.