Rite in the Rain is the go to brand when it comes to recording Field Notes. As their name implies: you can write in the rain or really in any condition when in conjunction with any of their pens.
Size: 3 in x 5 in
Cover Color: Black
Paper Color: Grey
Binding: Top Spiral
Number of Pages: 100
Number of Sheets: 50
Weight: 2.08 Ounces