I suspect that the issues with corners bending will go away if you use hard inner sleeves such as the KMC Perfect Fit Hards, but I can't fit a hard double sleeved deck into any of the deck boxes I currently own so that's not an option for me.

Sleeves - A Handy Guide - Null Signal Games Sleeves - A Handy Guide - Null Signal Games

I only focused on the transparency of the sleeves, but if you’re wondering how they function and feel, I can recommend the extensive video library of Tolarian Community College and their sleeve reviews.Our commitment to protecting the environment includes the use of new materials and the creation of new products with an additional focus on sustainability. I sleeved my 75-card black/green adventure deck up in the perfect fits, then proceeded to start inserting the perfect fitted cards into my Katana sleeves. While both the matte and regular versions fall under the same Cortex umbrella, there are significant differences between the two in durability and ease of double-sleeving. A stark difference between the two, and with 1 out of every 7 sleeve attempts for the Mattes requiring fixing and fidgeting to succeed, this may be too much of an annoyance for some players. This isn’t generally a problem when all of your card backs are the same, but there could be slight differences even with alt-art backs by FFG and now the NISEI card back is highlighting this issue even more.

on Katana Sleeves after several - Reddit Just a quick review on Katana Sleeves after several - Reddit

As far as Dragon shield vs KMC is concerned) From what I hear from various pools of people DRAGON SHIELDS are supposed to be the more durable product. For both dragon and KMC I dont think either of them have significant extra room or gap that your talking about when double sleeved. With this new Cortex range, Ultimate Guard have managed to improve upon their Supreme sleeves without breaking the bank, and they should certainly be a consideration on your outer sleeve shortlist. Nestling in between Ultimate Guard’s cheapest Supreme sleeves and Ultimate Guard’s premium Katana sleeves, the Cortex offering is an attempted synthesis between quality and value. Dragonshild Sleeves had a little bit more space on Top (its a Problem for me, because Sleeves tear/kink by my shuffeling-Style (And yes, i try to sleeve upside down).

They are fully opaque, great for shuffling and meet the highest standards of players and collectors. Known by some as "Netrunner's Cool Goth Mom", she's a DJ in her spare-spare time and streams under the psuedonym SwearyPrincess! You can see how the Cortex sleeves shape up against the competition in all the key metrics over at our side-by-side Card Sleeve Comparison Tool.