Table 1. Comparison of mechanical properties of metamaterial fiber to constituent materials.

	Initial modulus (MPa)	Tensile strength (MPa)	Strain at failure (%)	Toughness at 450% strain (MJ/m3)
Ga only	1800	12.4	60	5.3*
SEBS only	3	13.5	860	10.2
Ga-SEBS	800	5.9	450	17.3

*Breaks at 60% strain.