(Jeff Abbott is a regular contributor at The Pen Addict. You can find more from Jeff online at Draft Evolution and Twitter.)
While Field Notes certainly corners a lot of the market in the pocket notebook category, that doesn't mean the 3.5x5.5 inch format is the only player in town. There are plenty of other small pocket notebooks out there, and I'm already interested in larger formats in this category.
I've seen a few of these Japanese field notebooks on Instagram over the years, but they haven't really caught on in the US. The slightly taller format gives you about an inch of extra vertical writing space, so it's definitely worth a look if you're ever feeling cramped by the standard 3.5x5.5 format.
The Kokuyo Trystrams Field Sketch Book is a hard-covered notebook with 40 sheets of thin 3mm graph lined paper inside. The weight of the paper isn't listed, but I'd guess it's somewhere in the 70-80gsm ballpark. The notebook is 3.7 x 6.5, which is just a touch wider and a full inch taller than most popular pocket notebooks on the market today. This notebook is still easy to pocket and store in a bag, but that extra inch of vertical space is more useful than you might think.
The threaded binding is sturdy and easy to open and close. When first using the book, it doesn't like to lay flat or stay closed, but this gets better with a little time and use. After going through a few pages, my notebook easily lays open and stays shut.
The pages are simply grid lined with a 3mm spacing. It's a tiny grid, but it does the job. The lines are a dark gray and are very noticeable. I'd prefer a lighter ink or even a dot grid pattern instead, but it's not terrible. The pages aren't numbered and there aren't any spaces for a date or anything else. Very utilitarian!
The paper used in this notebook is pretty thin, which is great when it comes to the overall thickness of the notebook, but it also means you can't get away with using any nib and ink combo without noticing some pretty severe show-through on the back of the page. That's not to say it performs poorly — quite the opposite actually. This paper handles inks and nibs better than the standard Field Notes paper, but doesn't come close to something like Clairefontaine or Rhodia. If you're using a gel pen or pencil, you don't have to worry at all. Certain fountain pen inks and liquid rollerball inks will bleed through pretty bad depending on the ink formula. In most of my testing, the results are okay-ish and I'm fine with writing on both sides of the sheet as long as the ink I'm using doesn't show through too much.
The purpose of a portable field book is to be utilitarian, and you'll be fine with any properly matched writing instruments. Although, I am confused that Kokuyo chose to deboss "SKETCH BOOK" across the front cover, as this paper is hilariously thin compared to any proper sketch book paper. I know these terms can be used quite loosely, but just be aware: if you're looking for a sketch book that can take watercolors, this is not the notebook you're looking for.
With just 40 sheets, you'll get just about as much use out of it as any other pocket notebook, but this one will definitely take more of a beating, thanks to the resin hardcover. At just $5 a notebook, it doesn't break the bank either. It's a bit pricey compared to Field Notes, but remember that this notebook is a hard cover, has better paper, and is a little larger.
At $5, it's a great impulse buy to add to your cart to try out with your next order. The notebook comes in nine colors, so good luck picking out your favorite. This blue version I have is handsome, but I'm eyeing that Grayish Blue or Original Green for next time.
(JetPens provided this product at no charge to The Pen Addict for review purposes.)
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