We already owned Leisure XL RTT from Qiratt. We are using winter sleeping bags for winter camping. We ordered few weeks back the Insulation to try out. Since the price was good, and it fits perfectly in the Qiratt Leisure tent, It does make a huge difference in the temperature; in addition, it gives you more blackout inside of the tent on a sunny morning. we like it and recommend it,

This must-have accessory if you go camping in winter. It helps with temperature at least 10 degrees. However, you must use the heater for extreme cold

This tent insulation liner is a must for cold-weather camping

It was quick delivery and nice packing too.

The breathable fabric keepts it warm and dry even in colder conditions with this insulation liner.