Please note that there is an error in some versions of the pattern sold through BellaKnitting.com. Where the directions for the first leg ask you to cast on 4 stitches for the crotch, it should ask you to cast on 4 (6, 8) stitches.
Originally a free blog pattern in one size, this pattern is now available in multiple sizes with several design and yarn options on BellaKnitting.com for $7.50. Kits range in price from $17.50 to $32.00, depending on size and yarn choice. Visit www.bellaknitting.com/ravelry for a coupon code for 10% off your purchase!