Things You'll Need
Crochet needle
Yarn

Sleeves are an essential part of a crocheted sweater or jacket. Some sleeves are crocheted to give you warmth while others just give you creative style and flair of design. You have many options and styles of sleeves to crochet. For example, you can add sleeves that fit close to the arms, flair out or with buttons. Regardless of the style of sleeves you choose to crochet, you generally make them the same way.
Making the Body of the Sleeve
Step 1
Chain a foundation row of 29 stitches with a gauge 15 stitches and 10 rows per four inches.
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Step 2
Crochet foundation row, working on the right side of sleeve. Make one half double crochet in third chain and one half double crochet in each stitch across to end of row. Chain two stitches and turn — 27 half double crochet completed.
Step 3
Work one half double crochet in each stitch until your reach the end of row, then chain two stitches and turn. Row two completed. Repeat row two one time.
Step 4
Work two double crochet stitches in the first stitch, and one double crochet in each stitch across until you reach the last two double crochet stitches. Chain two stitches and turn. Row four completed. Work in double crochet stitch for three more rows.
Step 5
Repeat the last four rows twice more — 33 stitches. Continue to work rows even until your sleeve measures 7 1/2 inches. Position a stitch marker at each end of the last row. Work two more rows even. Omit the turning chain stitch at the end of the last row. Fasten off.
Attaching the Sleeves
Step 1
Turn the sleeve with the wrong side facing. If you are joining another color to the sleeve then join it with a slip stitch to the bottom left corner.
Step 2
Chain one stitch and work one single crochet in the same space as the slip stitch. Work one single crochet in each stitch along the bottom of the sleeve — 27 stitches. Turn sleeve.
Step 3
Chain one stitch and work one single crochet stitch in the first single crochet stitch.
Step 4
Skip two single crochet stitches, work five double crochet in the next single crochet stitch and skip the next two single crochet stitches. Skip two single crochet stitches once more to the last two single crochet and work one single crochet stitch in the last two single crochet stitches. Fasten off.
Tip
For the boy’s version of the sleeve chain one stitch. Instead of working from right to left, work from left to right. Work one reverse single crochet stitch in each single crochet stitch across row. Fasten off.
A reverse single crochet stitch consists of working a single crochet stitch backward. Insert the hook into the previous row, bring yarn over hook and draw through the hook – two loops on hook. Bring yarn over again and draw the yarn through both loops on hook.