Can I buy gear in Kathmandu instead of bringing it?

Yes, Thamel district has real and fake gear shops. Real North Face/Patagonia costs same as home. Good fake gear costs $20-50 per piece and works fine for most treks. Test everything before leaving the city.

How much should my layering system weigh?

Complete system should be 4-6 pounds total. Down jacket 12-16 oz, shell 10-14 oz, base layers 6-8 oz each. Weight matters at altitude—every ounce counts when you're breathing hard.

What if my down gear gets wet?

Down loses all insulating power when wet and takes forever to dry. Always keep it in waterproof stuff sack. Pack synthetic backup jacket for wet conditions. Synthetic insulation works when wet.

Do I need different layers for different Himalayan regions?

Higher altitude requires warmer gear. Everest Base Camp needs heavier insulation than Annapurna Circuit. Research your specific trek's elevation profile and expected temperatures.

How to Layer Clothes for Himalayan Trekking

Use a three-layer system: moisture-wicking base layer, insulating mid-layer (down or synthetic), and waterproof shell. Pack backup layers and avoid cotton entirely. Temperature can swing 40°F between morning and afternoon at altitude.

Choose your base layer. Merino wool or synthetic materials only. Pack 2-3 lightweight long-sleeve tops and 2-3 bottom pieces. Avoid cotton completely—it kills when wet. Smartwool, Patagonia Capilene, or Uniqlo Heattech work well.
Select your insulating layer. Down jacket rated to at least 15°F (-9°C) for most Himalayan treks. Patagonia Down Sweater or similar. Add a fleece or synthetic insulated vest as backup. Down compresses better but fleece works when wet.
Get a proper shell layer. Waterproof, breathable jacket and pants. Must have pit zips for ventilation. Gore-Tex or similar membrane essential. This is not a place to save money—expect to spend $200-400 for jacket alone.
Pack extremity protection. Insulated gloves plus liner gloves. Warm hat that covers ears. Neck gaiter or buff. Extra wool socks—your feet will get wet. Pack hand/foot warmers for summit day.
Test your system before you go. Wear full system on a cold local hike. Practice putting layers on/off with gloves on. Adjust based on your personal heat output. Some people run hot, others cold.
Layer strategically during the trek. Start cold in the morning—you'll warm up quickly. Strip layers before you overheat and sweat. Add insulation during rest stops. Always keep shell accessible for sudden weather changes.

Can I buy gear in Kathmandu instead of bringing it?: Yes, Thamel district has real and fake gear shops. Real North Face/Patagonia costs same as home. Good fake gear costs $20-50 per piece and works fine for most treks. Test everything before leaving the city.
How much should my layering system weigh?: Complete system should be 4-6 pounds total. Down jacket 12-16 oz, shell 10-14 oz, base layers 6-8 oz each. Weight matters at altitude—every ounce counts when you're breathing hard.
What if my down gear gets wet?: Down loses all insulating power when wet and takes forever to dry. Always keep it in waterproof stuff sack. Pack synthetic backup jacket for wet conditions. Synthetic insulation works when wet.
Do I need different layers for different Himalayan regions?: Higher altitude requires warmer gear. Everest Base Camp needs heavier insulation than Annapurna Circuit. Research your specific trek's elevation profile and expected temperatures.