Therm-a-Rest Prolite Apex

Therm-a-Rest Z Lite Sol Camping and Backpacking Sleeping Pad

By: Outdoorguru

This review is about the Therm-a-Rest Prolite Apex, a 4-season self-inflatable mattress from Therm-a-rest. The Apex is the successor of the Evolite series and offers almost double the amount of insulation. The stuff bag is neat and allows for tight compression, even with a sleeping bag liner. The mattress is self-inflating, but not completely, and requires some manual inflation. The regular size is 183 cm long and 51 cm wide, and 5 cm thick. It weighs 666.8 grams and the pack size is 16 cm in diameter and 27 cm long. The construction includes a strato-core foam which is shaped like a waffle and has thick and thin pieces for better insulation and packability. The R-value is 4.0, making it suitable for winter camping, but not for extreme conditions.

The mattress is easy to inflate with the valve and can be stored with the valve open to enhance durability. It is recommended to blow the mattress to the max before use to reduce the amount of humidity from the breath. The mattress has been tested in temperatures of up to -5 degrees and is comfortable and warm.

The Therm-a-Rest Prolite Apex is a great 4-season self-inflatable mattress that offers great insulation and packability. It is suitable for winter camping, but not for extreme conditions. It is easy to inflate and store and is comfortable and warm in temperatures up to -5 degrees.

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