Proud Sister Unisex Sweatshirt

Proud Sister gives the rainbow flag to the sibling who already handled the family group chat before you even saw the message.

The design celebrates sisterly allyship at its best — protective, normalising and specific enough to know when support means talking and when it means simply standing beside you. A proud sister remembers the partner, learns the language, fixes the relative and still reserves the right to roast you personally. The rainbow flag makes that loyalty visible without making her the protagonist.

This Proud Sister sweatshirt is made for first Prides, birthdays, family trips and cold parade mornings where support deserves a practical layer. Wear it with denim or leggings and let the flag do the warm part visually. A thoughtful LGBTQ+ sibling gift for the sister whose love language includes loyalty and mild harassment.

Proud Sister Unisex Sweatshirt Product Details

• 50% cotton / 50% polyester
• Pre-shrunk fabric
• Classic unisex fit with no centre crease
• Soft air-jet spun yarn to help reduce pilling
• Rib-knit collar with spandex for comfortable stretch
• Double-needle stitching at the collar, shoulders, armholes, cuffs and hem

Sizing Guide

The measurements below are the actual sweatshirt dimensions, so compare them with a crewneck you already love rather than relying only on the letter size. Choose your usual size for the intended classic fit, go up if you want a roomier or more oversized silhouette, or size down if you prefer it closer to the body.

If you are between sizes, check our Measuring Guide before ordering. Please allow a manufacturing tolerance of approximately ½–1 inch on both length and width.

Imperial Sizing Chart

Metric Sizing Chart