  CUFF 
  CO 64 sts. Divide sts between needles and join to begin working in the round, being careful not to twist. 
    
  Work in Slip-Stitch Rib until work measures 1 inch. 
    
  Next Round: [K5, m1] 12 times, k4. 76 sts. 
    
  K 1 round. 
   
  LEG 
      Rearrange sts as follows: 
      Needles 1 and 3: 24 sts each 
       
      Needles 2 and 4: 14 sts each 
       
      Set-Up Round: Work Round 1 of Chart A over sts on Needle 1; work
      Round 1 of Chart B over sts on Needle 2; work Round 1 of Chart A
      over sts on Needle 3; work Round 1 of Chart B over sts on Needle
      4. 
       
      Continue in pattern as set until you have completed 3 full repeats
      of Chart A. You will have just completed Round 2 of Chart B. Work
      measures approx. 7 inches. 
       
      HEEL FLAP 
      Rearrange sts as follows: 
      Slip first 7 sts from Needle 2 to Needle 1. 
      Slip first 12 sts from Needle 3 to Needle 2. 
      Slip first 7 sts from Needle 4 to Needle 3. 
      There are 31 sts on Needle 1, 19 sts each on Needles 2 and 3, and
      7 sts on Needle 4. 
      Work sts on Needle 1 as follows: [K2, k2tog] 6 times, k7. 25 sts
      on Needle 1. Turn work. 
      P all sts from Needles 1 and 4 onto one needle. Heel flap will be
      worked back and forth over these 32 sts. Instep will later be worked
      over the 38 sts on Needles 2 and 3. 
      Row 1 [RS]: [Sl 1, k1] 16 times. 
      Row 2 [WS]: Sl 1, p to end. 
      Repeat these 2 rows 14 times more. 
       
      TURN HEEL 
      Row 1 [RS]: K18, ssk, k1. Turn work. 
      Row 2 [WS]: Sl 1, p5, p2tog, p1. Turn work. 
      Row 3 [RS]: Sl 1, k6, ssk, k1. Turn work. 
      Row 4 [WS]: Sl 1, p7, p2tog, p1. Turn work. 
      Row 5 [RS]: Sl 1, k8, ssk, k1. Turn work. 
      Row 6 [WS]: Sl 1, p9, p2tog, p1. Turn work. 
      Row 7 [RS]: Sl 1, k10, ssk, k1. Turn work. 
      Row 8 [WS]: Sl 1, p11, p2tog, p1. Turn work. 
      Row 9 [RS]: Sl 1, k12, ssk, k1. Turn work. 
      Row 10 [WS]: Sl 1, p13, p2tog, p1. Turn work. 
      Row 11 [RS]: Sl 1, k14, ssk, k1. Turn work. 
      Row 12 [WS]: Sl 1, p15, p2tog, p1. Turn work. 
      Row 13 [RS]: Sl 1, k16, ssk. Turn work. 
      Row 14 [WS]: Sl 1, p16, p2tog. Turn work. 18 sts remain. 
      
    GUSSET 
      K 18 sts of heel; using same needle, pick up and k 15 sts (1 st in
      each slipped st) along edge of heel flap, then 1 st in space between
      top of flap and held sts of instep. This needle will be Needle 1. 
      Work sts on Needles 2 and 3 onto one needle as follows: K2tog, k5,
      work Round 1 of Chart A over next 24 sts, k5, ssk. 36 sts on Needle
      2. 
      Using remaining needle, pick up and k 1 st in space between instep
      sts and top of heel flap, then 15 sts along edge of heel flap, then
      work first 9 sts from Needle 1. This needle will be Needle 3. 
      86 sts: 25 sts each on Needles 1 and 3, 36 sts on Needle 2. 
       
      Decrease Round: K to last 3 sts on Needle 1, k2tog, k1;
      k6, work next round of Chart A, k6; k1, ssk, k to end of Needle 3. 
      Work 1 round in pattern as set. 
      Repeat these 2 rounds 8 times more. 68 sts. 
       
        FOOT 
      Continue in pattern as set until work measures approx. 2 inches less
      than desired length, ending with an even-numbered round of Chart
      A. 
       
      Slip first st from Needle 2 to Needle 1, and last st from Needle
      2 to Needle 3. 
        
      17 sts each on Needles 1 and 3; 34 sts on Needle 2. 
       
      TOE 
      Decrease Round: K to last 3 sts on Needle 1, k2tog, k1;
      k1, ssk, k to last 3 sts on Needle 2, k2tog, k1; k1, ssk, k to end
      of Needle 3. 
       
      K 1 round. 
       
      Repeat these 2 rounds 11 times more, then work Decrease Round once
      more. 16 sts. 
       
      K sts from Needle 1 onto Needle 3. 
       
      Graft sts on Needle 2 to sts on Needle 3.  |