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Compact crossbody waist bag that opens like a book. 2 L, 150 g, CORDURA® 500D, handmade in Prague.

Kai S - Dark Black
Batohiro
Husinecká 17
130 00 Hlavní město Praha
Czechia
Kai S is Batohiro’s smallest belt bag - a crossbody bag for your phone, wallet, keys, and earphones that you can wear over your shoulder, around your waist, or carry in your hand. We sew it in Prague from water-resistant CORDURA® 500D, a material with extreme resistance to abrasion and tearing, featuring water-resistant YKK® zippers.
It opens like a book. The main zipper runs all the way around, so you can open the belt bag flat and see everything at once. The lid features a zippered pocket, elastic loops, and a flat pocket; the main compartment has two mesh zippered pockets and a key loop. The front zippered pocket is for items you need quick access to, while the back pocket against your body protects valuables on public transport and while traveling.
- Material: CORDURA® 500D, water-resistant finish
- Volume: approx. 1.5 l
- Dimensions: 20 × 13 × 7 cm
- Weight: approx. 180 g
- Zippers: YKK® water-resistant
- Ways to wear: over the shoulder, crossbody, around the waist, adjustable strap
- Hand-sewn in Prague, lifetime warranty
Need more space? Kai M 2.0 has the same construction and can also fit a power bank and a small bottle. For running and trips, the lightest option is Sora 2.0. You can try on all our belt bags at our store in Prague.













Fastening
Fidlock® Magnetic Buckle Open and close it with one hand. Fast, intuitive, secure.
Extremely water-resistant
CORDURA® 500D Waterproof material with extreme resistance to abrasion and tearing.
INTERNAL ORGANIZATION
Removable organizer with 5 pockets + key leash. Everything exactly where you expect it.
Zippers
YKK® Zippers — Premium water resistance. The highest-quality zippers on the market. Your belongings will stay dry.

Opens like a book
No more rummaging around in a dark pocket. Open it and see everything at once — a zippered pocket, elastic loops, and a flat pocket in the lid.

Fidlock® with one hand
The magnetic buckle clicks shut on its own. Open and close it while walking, keeping your other hand free.
Frequently asked questions
LOOKING FOR A QUICK ANSWER?
OUR FREQUENTLY ASKED QUESTIONS ARE REGULARLY UPDATED TO ADDRESS OUR CUSTOMERS’ MOST COMMON QUESTIONS.
Orders received by 12:00 will be ready on the same business day. Orders placed after 12:00 will be ready the following business day. Please wait to pick up your order until you receive an SMS or email.
Shipping is free on orders over 2,500 CZK. In-stock items are shipped by the next day. The carriers we use:
PPL courier – 120 CZK,
Zásilkovna – 65 CZK.
Items can be returned within 30 days of ordering. You can find out everything about returns here.
Yes, you have 30 days from delivery to do so. Simply contact us, return the goods in their original condition, and we will refund your money or send you a different product.
We provide a lifetime warranty on all backpacks and belt bags. If any problem caused by manufacturing or materials arises, we will repair the product or replace it with a new one. Other products are covered by the standard warranty.




























