Silent jackets for nature observation

4.6

4.4

4.8

4.7

4.7

4.7

4.8

4.7

4.8

4.7

4.8

4.5

4.8

4.7

4.7

4.5

4.7

4.8

4.7

4.8

4.6

4.8

4.8

4.7

4.8

4.7

4.7

4.8

4.8

5

4.8

4.5

4.7

4.5