Tabla de Contenidos: “…Contents -- About the Editors vii -- Preface to "Elastomers: From Theory to Applications" ix -- Sergey Panyukov -- Theory of Flexible Polymer Networks: Elasticity and Heterogeneities -- Reprinted from: Polymers 2020, 12, 767, doi:10.3390/polym12040767 1 -- Thridsawan Prasopdee and Wirasak Smitthipong -- Effect of Fillers on the Recovery of Rubber Foam: From Theory to Applications -- Reprinted from: Polymers 2020, 12, 2745, doi:10.3390/polym12112745 29 -- Umut D. C ̧ akmak, Michael Fischlschweiger, Ingrid Graz and Zolt ́an Major -- Adherence Kinetics of a PDMS Gripper with Inherent Surface Tackiness -- Reprinted from: Polymers 2020, 12, 2440, doi:10.3390/polym12112440 47 -- Rami Bouaziz, Laurianne Truffault, Rouslan Borisov, Cristian Ovalle, -- Lucien Laiarinandrasana, Guillaume Miquelard-Garnier and Bruno Fayolle -- Elastic Properties of Polychloroprene Rubbers in Tension and Compression during Ageing -- Reprinted from: Polymers 2020, 12, 2354, doi:10.3390/polym12102354 59 -- Alexander V. …”