Here's the specification of them

+ Deep Indigo Hairy Rough Slub 18,8oz

+ Rope Dyed

+ ‎Unsanforized

+ Hairy Rough Textured

+ Purple Selvedge Line

+ Slim Straight Silhouette

+ Hand-sewn SASHIKO Patch

+ 100% Cotton, 100% Selvedge, 100% Shuttle Loomed

+ 100% Hand Process, 100% Artisanal Jeans

+ Poly Cotton Heavy Thread (super strong thread)

+ Shell Stitch Tusk Sword Fly

+ Double Selvedge Peek a Boo Coin Pocket

+ YKK Japanese 100% Copper Silver & Black Double Prong Button Fly

+ NBDN Iron Plated Burned Copper Rivets

+ Hidden Rivets on Backpocket

+ Continuous N Stitching on Waist Band

+ Raised Belt Loop + Raised Open Backpocket

+ Fully Reinforced Backpocket

+ Triangle Stitch Overlap Details on Left Side Backpocket

+ Chainstitch Run-Off on Backpocket

+ Single Felled Inseam

+ Hemming by Union Special 43200G