Deuter ACT Lite Backpacks come in several different sizes. You may find it as 35+10L, 35+10 (SL) L, 40+10 L, 45+10 (SL) L, 50+10 L, 60+10 (SL) L, 65+10 L, 70+ 10 (SL) L, 75+10 L. Here SL denotes slim-line models for women. The number +10 implies that the top part of the main compartment can … [Read more...]