The Highgrove Twin Comfort Mattress has a clever idea, a cosy winter side and a cooler summer side, built on an open coil. The idea is good. The core keeps it to a spare room or a tight budget, because open coil passes movement and dips where you sleep. If you share the bed every night, buy pocket springs.
A winter side and a summer side
One side is a winter side with 50mm of temperature-sensitive memory foam under a soft stretch-knit cover. The other side is the summer side, finished in damask. Between the two sides sits a linked open-coil unit, every row wired to its neighbour, with a heavy rod-edge wire holding the border square. There are turning handles and air vents. It's 26cm deep and rated firm.
Flipping a mattress with the seasons is a lovely idea, because it means you'll turn it, which is the maintenance that works and nobody does. I'd expect the memory foam side to feel warmer and more enveloping, with the damask side cooler and firmer.
The open coil is the limit
Linked springs carry a partner's turn to your side; fine for a guest who stays a few nights. Avoid it as a couple's everyday bed; for that I'd want pocket springs. Owners are overwhelmingly happy. The two complaints worth knowing are a wire frame bent in delivery, worth checking for the day it arrives, and one couple who feel every sit-down and turn through the memory foam side, which is the open coil doing what open coil does.
What to buy instead
For a pocket-sprung mattress from the same maker, the Highgrove Solar Pocket 1000 is double-sided and firm. If the winter and summer idea is what sold you, nothing else at this price does it: buy it for the spare room and let visitors pick a side.
