Elastic - Attaching to Swimsuit

Definition

A specialized technique for attaching elastic to swimwear that ensures durability and comfort while maintaining stretch and recovery. This method creates a secure finish that withstands chlorine, salt water, and repeated wear.

Key Information

  • Uses specific swimwear elastic (not regular elastic)
  • Requires precise tension control
  • Typically applied using a three-step process
  • Different stretch ratios for different areas
  • Must maintain fabric stretch properties
  • Creates invisible finish from right side
  • Standard width is 3/8 inch (10mm)
  • Critical for proper fit and function

Usage and Application

This technique is essential for all swimwear construction, appearing in our Swim Bottoms, One-Piece Suit, and Rash Guard patterns. The method of attachment varies slightly depending on the location - leg openings require different tension than waistbands or arm holes. Proper elastic application ensures your swimsuit maintains its shape and provides comfortable support during water activities.

Frequently Asked Questions

Q: How do I ensure the best results with swimwear elastic?

A: Always use fresh swimwear elastic for each project. The chlorine resistance of elastic degrades over time, even in storage.

Q: How do I prepare elastic and fabric for swimwear?

A: Mark both elastic and fabric in quarters. These reference points ensure even distribution and prevent puckering.

Q: What are the stretch ratios for different areas of a swimsuit?

A: The ratios vary by location: leg openings need 15-20% less elastic than opening length, waist 10-15% less, and arms/neck 5-10% less. These ratios ensure proper fit without binding or gaping.

Q: What causes elastic to roll and how can I prevent it?

A: If elastic rolls, your first stitching line is likely too far from the edge. Keep it close to the elastic's edge for better control.

Q: How do I prevent fabric puckering?

A: Start by reducing elastic tension. Always test your tension on fabric scraps first - this step saves time and frustration later.

Related Terms

Swim Knit

Fabric commonly used with this technique

Elastic

Sewn In - Similar technique for other garments

Seam Allowance

Critical for proper elastic placement