S/M (6.5 - 7) and M/L (7.5 - 8). This is the larger size.
Backs: polyester/elastane mix.
Palms/fingers: artificial suede (polyester/polyurethane mix)
To find your glove size, measure in inches around your hand with a tape measure just below the knuckles (excluding the thumb). You should use your dominant hand; the right if you are right-handed, and the left if you are left-handed.