Crochet Cozies

Vintage Plum Crochet Dumbbell Sleeve Free Pattern

CargoFits: Chunky Sweaters, Warm Fits & Knitted Apparel • October 28, 2026
Vintage Plum Crochet Dumbbell Sleeve Free Pattern

Vintage Plum Crochet Dumbbell Sleeve Free Pattern

Introduction

This Vintage Plum Crochet Dumbbell Sleeve is a quick, satisfying project for anyone who wants to dress up their home gym or protect a rolled mat in style. Worked in thick t-shirt yarn, it comes together fast and feels sturdy and soft in the hand, with a chunky texture that is forgiving for newer crocheters. The alternating plum and mauve bands, punctuated by little spike stitches, give it that unmistakable 1970s ribbed look. Slip it over a dumbbell handle or a rolled mat and enjoy a cozy that is as practical as it is pretty.

Materials Needed

  • Yarn: T-shirt yarn, approximately 7–9 mm wide. Color A (plum): 50 yd. Color B (mauve): 50 yd.
  • Hook: 8 mm (US L-11).
  • Notions: Stitch marker (optional), yarn needle for weaving in ends, scissors, tape measure.
  • Finished size: Approximately 4.5 inches (11.5 cm) circumference x 6 inches (15 cm) length.

Abbreviations

  • ch — chain: make a loop of yarn and pull it through the loop on your hook.
  • sc — single crochet: insert hook in stitch, yarn over, pull up a loop, yarn over, pull through both loops.
  • spike st — spike stitch: insert hook into the stitch two rounds below, yarn over, pull up a loop, yarn over, pull through both loops.
  • sl st — slip stitch: insert hook in stitch, yarn over, pull through both the stitch and the loop on your hook.
  • yo — yarn over: wrap the yarn over your hook.
  • st(s) — stitch(es).
  • rnd(s) — round(s).

Gauge

8 stitches and 8 rounds = 4 inches (10 cm) in spike stitch pattern. To check, crochet a small swatch in the round and measure across the middle; adjust your hook size if you are off by more than a stitch or two.

Tips Before You Start

  • T-shirt yarn has little stretch and a lot of bulk, so keep your tension relaxed and even; a too-tight tube will be hard to slide on.
  • When working a spike stitch, gently pull the loop up to the height of the current round so the spike lies flat rather than puckering.
  • Change colors at the join of the round and carry the unused color loosely up the inside so it stays hidden.
  • Count your 10 stitches at the end of every round; the tube is narrow, so a dropped stitch is easy to spot and easy to fix early.

Step-by-Step Instructions

Tube (worked in rounds)

With color A, ch 10, join with sl st to form a ring.

Rnd 1: ch 1, sc in each ch around, join with sl st to first sc (10 sts).

Rnd 2: ch 1, sc in each st around, join (10 sts).

Rnd 3 (spike rnd): ch 1, sc in first st, spike st in next st, [sc in next st, spike st in next st] around, join (10 sts).

Rnd 4: ch 1, sc in each st around, join (10 sts).

Change to color B.

Rnds 5–6: repeat Rnds 3–4 (10 sts).

Change to color A.

Rnds 7–8: repeat Rnds 3–4 (10 sts).

Change to color B.

Rnds 9–10: repeat Rnds 3–4 (10 sts).

Change to color A.

Rnds 11–12: repeat Rnds 3–4 (10 sts).

Change to color B.

Rnds 13–14: repeat Rnds 3–4 (10 sts).

Change to color A.

Rnds 15–16: repeat Rnds 3–4 (10 sts).

Fasten off. Weave in ends.

Assembly and Finishing

There is no seaming: the sleeve is a single tube worked in the round, open at both ends. Weave in all yarn tails on the inside of the tube, working them through a few stitches in both directions so they stay secure. Gently tug the tube into shape with your hands and lay it flat to even out the spike stitches. If desired, lightly mist with water and let it air-dry flat to block; t-shirt yarn needs little blocking, but a light steam or mist helps the bands sit straight.

Pro Tips and Variations

  • Make a matching pair in reverse color order (start with mauve) for a fun mismatched set.
  • For a longer sleeve, add more two-round bands, always ending on a plain single-crochet round.
  • Swap in a contrasting third color for a single band to create a bold vintage stripe accent.

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