Kyrgyzstan throws a lot at you in one trip, mountains, yurt stays, long horseback and 4x4 days, and huge swings in temperature depending on altitude.
Here's what I'd pack if I was doing the 16 days again, built around what actually got used (and what I wished I'd brought).
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Clothing and layers
Temperature changes are crazy here, hot valleys, freezing nights at altitude, so layering matters more than any single "big" item.
- Base layers (thermal top and bottoms) mens - womens
- Fleece or midweight insulating layer mens - womens
- Sun hoodies + t-shirts (UPF 50+) mens - womens
- Waterproof, windproof outer shell mens - womens
- Insulated jacket for evenings/altitude mens - womens
- Hiking trousers, quick-dry mens - womens
- Trekking socks (merino wool, several pairs)
- Sturdy broken-in hiking boots mens - womens
- Camp shoes/sandals for evenings mens - womens
- Sun hat and warm hat/beanie
- Gloves
- Buff or scarf (dust, sun, warmth)
Gear
- Backpack (main) plus daypack for horseback/day trips, I wish I brought a daypack, I had to empty out my main one every time!
- Sleeping bag rated for cold nights (yurt stays get cold)
- Sleeping bag liner (optional, I didn't need mine but my sleeping bag was rated too high for the weather, -10ºc comfort in summer…)
- Camp cooking kit - stove, pots, gas, lighter
- Trekking poles
- Headtorch plus spare batteries
- Dry bags for electronics and documents
- Power bank (charging opportunities are limited outside towns)
- Universal/EU adapter
Health and hygiene
Food and water safety was the biggest issue on this trip, so this section matters more than usual.
- Water purification tablets or filter bottle (make sure it removes viruses too)
- Rehydration sachets
- Upset stomach medication (Imodium was my best friend)
- General first aid kit
- Hand sanitiser and wet wipes
- Toilet paper (bring your own, you'll thank yourself)
- Altitude sickness tablets, if prone to it
- Sun cream (high factor, sun is stronger at altitude)
- Personal medication, more than you think you'll need
Documents and money
- Passport plus photocopy stored separately
- Travel insurance details (printed and digital)
- Cash in Kyrgyzstani Som (cards aren't reliable outside main cities, I couldn't find anywhere that exchanged it in the UK but there are plenty of ATMs in Bishkek)
- Visa documents, if applicable
Extras worth it
- Offline translation app downloaded in advance (Russian and Kyrgyz)
- A small printed/phone note phrase list as backup
- Snacks/energy bars for long horseback or driving days
- Reusable water bottle
Notes for a group trip

Because we travelled as a group of six, a few things were shared rather than everyone carrying their own, camping stoves, first aid kit, purification gear, and some of the cold-weather layers for evenings. Worth sorting who's bringing what before you fly, rather than working it out at the airport.