patterns >  Sarah Opie's Ravelry Store
 Sarah Opie's Ravelry Store
> Seashell Tank
 

















Seashell Tank
ABOUT 
A tank top full of customisation options and finished with a crochet edge detail. This tank includes instructions for targeting your preferred fit. This pattern helps you choose which customisations will worked best for you, and then takes you through the process of implementing them. The options include bust darts, waist shaping, armhole depth adjustments, length adjustments & A-line shaping. The tank is worked from the middle of the back, over the shoulders to the front and then joined to work in the round.
SIZES 
1, 2, 3 (4, 5, 6) 7, 8, 9 (10, 11, 12) 
13, 14, 15 (16, 17, 18) 19, 20, 21 (22, 23, 24)
CHEST CIRCUMFERENCE IN INCHES 
28, 30, 32 (34, 36, 38) 40, 42, 44 (46, 48, 50) 
52, 54, 56 (58, 60, 62) 64, 66, 68 (70, 72, 74)
EASE 
This tank can fit however you like! The pattern includes instructions for choose ease and modifications. Anywhere from negative 6 inches of ease up to 6 inches of positive ease, or more!
YARN REQUIREMENTS 
Your yardage will depend on your gauge, size and yarn chosen. These are estimates based on testing.
Main Colour (fingering weight) 
FULL LENGTH IN YARDS 
450, 500, 550 (580, 640, 700) 760, 840, 880 (960, 1020, 1070) 
1130, 1180, 1240 (1300, 1350, 1410) 1465, 1530, 1600 (1640, 1700, 1760)
CROPPED FIT IN YARDS 
315, 350, 385 (406, 448, 490) 532, 588, 616 (672, 714, 749) 
791, 826, 868 (910, 945, 987) 1025, 1071, 1120 (1148, 1190, 1232)
SUGGESTED NEEDLES & HOOK 
use size needed to obtain gauge, these are the sizes I was able to obtain gauge with:
MAIN FABRIC: 3.0mm circular needles of length 80cm or longer
CROCHET EDGE: 2.25mm crochet hook
NOTIONS 
darning needle, to weave in ends 
scissors, or other tool for breaking the yarn 
6 stitch marker, one that is different to act as a BOR marker 
2 locking stitch markers 
spare needles, cord or scrap yarn for provisional cast on edge 
optional: blocking tools
GAUGE 
30 sts x 38 rows = 4 inches / 10 cm square
TECHNIQUES 
Provisional Cast On 
Knitting & Purling 
Working Flat & in the Round 
Crochet Edging
A massive thank you to all testers: Louisa (@femknits), TheCopycatStitch, Carolyn Enerchi, @rachelleylee, Isabel (@isabelknitstoo), jxsu, Jacky, Sierra (@tinkandbobble), Caitlin (@ccallen5), anniesyarncrafts, Oceane (@sunday.knitter), Christin (@made_by_cem), @jules_knits, Annika (@loopsnbounds), Vivian (@my.yarn.and.i), Sarahjeanne22, Erin kkennellyy, Erin (@somanylittlesquares), Pratheeksha (@pratheeksha.mallikarjun), Ana (@anaecotton) & those who wish to remain uncredited ♥️
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- First published: May 2025
- Page created: May 7, 2025
- Last updated: October 25, 2025 …
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