Square Root Jumper by Red Heart Design Team

Square Root Jumper

Crochet
August 2025
both are used in this pattern
Aran (8 wpi) ?
12 stitches and 15 rows = 4 inches
in Single crochet
5.5 mm (I)
XS/S/M, L/XL/2XL, 3/4/5XL
US
English
This pattern is available for free.

Elevate your wardrobe with this vintage-inspired crochet jumper! Designed in 2 shades of Red Heart All in One Granny Square with a coordinating shade of Red Heart Super Saver, you’re sure to take center stage. This jumper dress is comprised of a skirt made of angled squares with a zig zag hem, a drawstring waist for adjustability, plus a simple bib and shoulder straps. Have fun as you practice granny stitch, working in rounds, half double crochet, flat slip stitch seaming, and more! It adds a fun layer to any outfit.

MATERIALS
Sizes XS/S/M L/XL/2XL 3/4/5XL
Red Heart® All in One™ Granny Square™ (8.8 oz/250 g; 417 yds/381 m)
Contrast A Blue Beacon (2032) 2 2 2 balls
Contrast B Pop Culture (2029) 1 1 2 ball(s)

Red Heart® Super Saver® (7 oz/198 g; 364 yds/333 m)
Contrast C Black (0312) 1 2 2 ball(s)

GAUGES
12 sc and 15 rows = 4” 10 cm
Motif = Approx 6” 15 cm square, excluding edging.