Karakoram2 | Slim Men's and Women's Leather Wallets Australia & NZ: At K2, we soulfully craft wallets that make you look sharp and elegant. Men's and women's leather wallets with clean lines, slim design and superior craftsmanship that are made to last. Explore our collection of RFID wallet s, card holders & card wallets for men and women. Sustainably sourced. Backed by 2 year warranty.