MSR’s Universal Couple Kit is a versatile, secure system for coupling two Therm-a-Rest mattresses together. \nThermarest says\nOur Universal Couple Kit securely holds any two Therm-a-Rest mattresses side-by-side (20\

MSR’s Universal Couple Kit is a versatile, secure system for coupling two Therm-a-Rest mattresses together. Thermarest saysOur Universal Couple Kit securely holds any two Therm-a-Rest mattresses side-by-side (20″-