Here indicates the price, thickness, firmness, and features of the mattress [ AiR ] below for the comparison of single size, semi-double size, and double size.

S (single) size mattress comparison list

Product name		price (tax not included)	weight	Thickness (Mm)	firmness	Features	Construction
AiR01SE		040000 ¥ 40,000	4.7 About 4.7 kg	80	110 Basic (110 Newton)	Using "Refrefoam" (in the second layer) Upper material: antibacterial processing	[Comfort] A specail three-dimensional wavy structure [Breathability] 36 cross holes (for single size)
AiR01SE		040000 ¥ 40,000	4.7 About 4.7 kg	80	140 Firm (140 Newton)	Using "Refrefoam" (in the second layer) Upper material: antibacterial processing	[Comfort] A specail three-dimensional wavy structure [Breathability] 36 cross holes (for single size)
AiRSI		080000 ¥ 80,000	6.0 About 6.0 kg	90	140 Regular (140 Newton)	Using Non-membrane foam (in the first layer) Upper material: Water absorption and quick dry processing	[Comfort] [Breathability] A specail three-dimensional cross slit structure
AiRSI-H		095,000 ¥ 95,000	6.3 About 6.3 kg	90	170 Firm (170 Newton)	Using Non-membrane foam (in the first layer) Upper material: Water absorption and quick dry processing	[Comfort] [Breathability] A specail three-dimensional cross slit structure

SD (semi-double) size mattress comparison list

Product name		price (tax not included)	weight	Thickness (Mm)	firmness	Features	Construction
AiR01SE		055000 ¥ 55,000	6.4 Approximately 6.4 kg	80	110 Basic (110 Newton)	Using "Refrefoam" (in the second layer) Upper material: antibacterial processing	[Comfort] A specail three-dimensional wavy structure [Breathability] 36 cross holes (for single size)
AiR01SE		055000 ¥ 55,000	6.7 Approximately 6.7kg	80	140 Firm (140 Newton)	Using "Refrefoam" (in the second layer) Upper material: antibacterial processing	[Comfort] A specail three-dimensional wavy structure [Breathability] 36 cross holes (for single size)
AiRSI		100000 ¥ 100,000	7.3 Approximately 7.3 kg	90	140 Regular (140 Newton)	Using Non-membrane foam (in the first layer) Upper material: Water absorption and quick dry processing	[Comfort] [Breathability] A specail three-dimensional cross slit structure
AiRSI-H		115,000 ¥ 115,000	7.5 Approximately 7.5 kg	90	170 Firm (170 Newton)	Using Non-membrane foam (in the first layer) Upper material: Water absorption and quick dry processing	[Comfort] [Breathability] A specail three-dimensional cross slit structure

D (double) size mattress comparison list

Product name		price (tax not included)	weight	Thickness (Mm)	firmness	Features	Construction
AiR01SE		070000 ¥ 70,000	7.5 Approximately 7.5 kg	80	110 Basic (110 Newton)	Using "Refrefoam" (in the second layer) Upper material: antibacterial processing	[Comfort] A specail three-dimensional wavy structure [Breathability] 36 cross holes (for single size)
AiR01SE		070000 ¥ 70,000	7.9 Approximately 7.9 kg	80	140 Firm (140 Newton)	Using "Refrefoam" (in the second layer) Upper material: antibacterial processing	[Comfort] A specail three-dimensional wavy structure [Breathability] 36 cross holes (for single size)
AiRSI		120000 ¥ 120,000	8.5 Approximately 8.5 kg	90	140 Regular (140 Newton)	Using Non-membrane foam (in the first layer) Upper material: Water absorption and quick dry processing	[Comfort] [Breathability] A specail three-dimensional cross slit structure
AiRSI-H		135000 ¥ 135,000	8.8 Approximately 8.8 kg	90	170 Firm (170 Newton)	Using Non-membrane foam (in the first layer) Upper material: Water absorption and quick dry processing	[Comfort] [Breathability] A specail three-dimensional cross slit structure