И близко не эксперт по горному туризму, поэтому, скорее всего, написал злой бред, но что-то в таком духе
Dear Sir/Madame
My name is Nastia Glinchenko. I am going to make a hiking tour in the Carpathians for two weeks in winter. I have seen yours shop ad in "Aviso".
I need the following items:
1. ski suit 2 items.
2. backpack 2 items (volume at least 50 liters)
3. ski glasses 2 items
4. primus 2 items
5. alcohol 5 liters
6 Carpathians military large-scale maps 2 items
7. Compass 2 items
8. GPS 2 items
9. primus fuel
I would like to ask you to send me approximate cost for this equipment and inform me what kind of payment is available in your shop.
With best regards,Masha