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💪 Set your records in stone—never miss a beat, rain or shine!
The Pocket Gym Diary is a compact (3x5 inch), lightweight (61g) 100-page workout log made from innovative stone paper that is 100% waterproof and sweatproof. Designed for fitness enthusiasts who demand durability and portability, it allows detailed tracking of up to 10 exercises with 5 sets each, including weight, reps, and cardio metrics. Its spiral binding and plastic covers ensure resilience against mud, sweat, and spills, making it perfect for indoor and outdoor workouts alike. With dedicated pages for body measurements, it helps users monitor progress and stay motivated on their fitness journey.





| Asin | B07FNW2QLZ |
| Best Sellers Rank | 6,225 in Sports & Outdoors (See Top 100 in Sports & Outdoors) 9 in Fitness Planners |
| Binding | Office Product |
| Brand Name | Polymath Products |
| Colour | Black |
| Country Of Origin | China |
| Cover Material | Paper |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,138) 4.5 out of 5 stars |
| Item Dimensions L X W X Thickness | 34L x 19.3W x 3.3Th centimetres |
| Item Weight | 69 Grams |
| Manufacturer | Polymath Products |
| Number Of Items | 1 |
| Number Of Pages | 100 |
| Paper Size | 3 x 5 inch) |
| Pattern | Solid Color |
| Special Feature | Waterproof |
| Specific Uses For Product | Gym workouts, swimming, jogging, trail running, obstacle course training, outdoor HIIT sessions, cycling, snow sports |
| Style | Modern |
| Theme | Plain |
| Unit Count | 1.0 count |
User
Perfect for the job
Love this book and repeatedly purchase it. It’s the perfect size for your pocket, is good quality so won’t easily tear. Sellers are great also and when I had a small issue with the end pages of one book they sent a full replacement. Don’t usually leave reviews but these books are so great they deserve it.
User
Handy size
nice little notebook that fits easy in the pocket
User
Ideal.
A neat little set tracker pad. Could be a little bigger but, it's being used well.
User
Must have for the gym
Each page logs a full workout and tracks up to 5 sets per line, which works perfectly for most routines. Lasts around 5–6 months if you train 4 times a week—plenty of time to track progress without switching notebooks.It’s compact, sturdy, and distraction free (save hours of social media scrolling)No unnecessary fluff, just a clean, practical way to stay consistent and motivated. Perfect for anyone serious about tracking gains, from casual gym-goers to dedicated lifters.Pros: Portable, well-laid-out, long-lastingCons: May feel small for very high-volume routinesA simple tool, but it makes sticking to your fitness goals much easier.
User
Great book
Great wee book for the gym! Track progress and conversion table is a much added bonus!
User
A pocket sized gym tracker
Good value for money little gym book. For me it’s a little on the small side. Despite a good layout, there isn’t much room to write your exercise details in properly. Use abbreviations, however, and with it being the perfect size to fit in your pocket it is handy enough.
User
Compact and waterproof
This is a great diary for weight training if a compact size is convenient. It’s also waterproof, which is handy for swimmers too.Pros- Good quality diary, with quality paper- Compact size- Waterproof paper, which doesn’t smudge (e.g. won’t get ruined if you spill your water bottle on it)- Works for swimming as well as the gym, thanks to water proofingCons- Compact size won’t suit people with large handwriting- Limited space to detail cardio (e.g. not much space to record several different cardio intervals on the same page)In summary, this is definitely one of the higher quality gym diaries I’ve used. It’s best suited to recording weight training, but the waterproof paper is a real benefit. I’ll buy this diary again.
User
Great!
Perfect for gym , can put in pocket!
Trustpilot
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