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What Swimming Gear Do Women Need?

Swimming requires specialized gear that standard athletic apparel cannot match. Water-specific fabrics, construction, and fit address the unique demands of pool and open-water training.

Chlorine resistance is the most important fabric property for pool swimmers. Chlorine rapidly breaks down standard athletic fabrics, causing color fading, stretch loss, and material deterioration. Swim-specific fabrics use chlorine-resistant materials that maintain shape, color, and performance through months of pool exposure.

Fit directly affects performance and comfort. Competitive swimsuits fit close to the body to minimize drag. Recreational suits balance coverage and comfort. Regardless of style, swimwear should stay in place during all stroke types without riding up, shifting, or creating drag.

UV protection matters for outdoor swimmers. Extended time in the water with direct sun exposure creates significant UV risk. Rash guards and swim shirts provide coverage that sunscreen alone cannot sustain through hours of water activity.

Support needs differ in water. While the buoyancy of water reduces the impact on joints, the repetitive arm movements of swimming require secure, comfortable fits that do not shift during strokes. Built-in support in one-piece suits provides stability without separate sportswear.

Swimming gear essentials: - Chlorine-resistant swimsuit (one-piece or two-piece) - Rash guard or swim shirt for outdoor UV protection - Quick-dry cover-up for pool deck transitions - Goggles and swim cap (not covered here, but essential) - Slides for pool deck and post-swim recovery

adidas Women's Swimming Technologies

adidas swimming gear for women uses performance fabrics engineered for pool durability and water performance.

Key technologies:

  • Infinitex fabric: Chlorine-resistant swimwear material that maintains shape, stretch, and color through extended pool use. Infinitex resists the chemical degradation that destroys standard fabrics in chlorinated water. Available across one-piece suits and swim separates.
  • AEROREADY (pool deck): Moisture-wicking fabric for warm-up apparel and pool deck cover-ups. AEROREADY keeps athletes comfortable during warm-up and cool-down around the pool.
  • Primegreen: Recycled-material construction in select swimwear. Sustainable manufacturing without performance compromise.
  • Body-mapping construction: Swimsuits with strategic paneling for secure fit during all stroke types. Panels reinforce areas where movement creates pulling or shifting.
  • Quick-dry cover-ups: Pool deck apparel that sheds water rapidly for comfortable transitions.

For competitive and lap swimming: Infinitex one-piece with body-mapping panels. For recreational swimming: Standard one-piece or two-piece with chlorine-resistant fabric. For pool deck: AEROREADY warm-up apparel.

See [women's slides](/collections/womens-slides) for post-swim recovery footwear.

How to Choose Women's Swimwear

Selecting the right swimwear:

  • Lap swimming: One-piece with chlorine-resistant fabric. Close fit for reduced drag. Body-mapped panels for secure fit during strokes.
  • Water fitness: One-piece with moderate coverage and secure fit. Needs to stay in place during varied water movements.
  • Recreational: Personal preference on coverage. Look for chlorine-resistant fabric if using a pool regularly.
  • Outdoor/beach: UV-protective rash guard + swimsuit for sun coverage.

Fit: - Should feel snug but not restrictive - Straps should not dig or slide - Move through arm circles and simulate strokes - Sit, squat, and reach to test coverage - Chlorine-resistant suits maintain their fit; non-resistant suits stretch out

Fabric priorities: - Chlorine-resistant (Infinitex) for pool use - Quick-dry for recreational and travel - UV-protective for outdoor use

Under Armour Women's Water-Ready Gear

Under Armour provides water-adjacent training apparel and swim-ready options for women.

Key technologies:

  • UA Tech (quick-dry): Lightweight, fast-drying fabric for pool deck and beach transitions. Dries quickly after water exposure for comfortable land use.
  • HeatGear: Lightweight compression for post-swim warm-ups and training. Quick-drying and moisture-wicking.
  • Storm: Water-repellent jackets and outerwear for outdoor pool facilities. Blocks splashing and light rain during pool deck warm-ups.
  • Rash guards: UV-protective swim shirts for outdoor swimming. Reduce chafing from repetitive strokes and provide consistent sun coverage without reapplying sunscreen.
  • Board shorts and swim bottoms: Quick-dry construction with secure fit for recreational water activities and water fitness classes.

For pool training: Chlorine-resistant swimwear (adidas Infinitex) for in-water performance. UA quick-dry apparel for poolside transitions.

For outdoor water: UA rash guard for UV protection + swimwear of choice.

Pair with [women's training gear](/collections/womens-training-gear) for dry-land cross-training apparel.

Women's Swimming Gear Care

Pool chemicals demand specific care for longevity:

After every swim: - Rinse swimwear in cold fresh water immediately - Remove chlorine before it degrades fabric - Do not leave wet swimwear in a bag

Washing: - Hand wash or gentle machine cycle - Cold water, mild detergent, no bleach - Never wring; roll in a towel to remove water

Drying: - Air dry flat or on a line - Never machine dry - Avoid prolonged direct sunlight

Storage: - Dry completely before storing - Ventilated area - Do not fold wet

Lifespan: - Chlorine-resistant: 6-12 months of regular use - Standard: 3-6 months of regular pool use

Replacement: When stretch is lost, fabric thins, color fades significantly, or straps lose their hold.

Swim Gear Care Summary

Protect swimming gear:

  • Rinse in cold fresh water immediately after every swim
  • Hand wash or gentle cycle, no bleach
  • Never machine dry or wring
  • Air dry flat away from direct sun
  • Replace when stretch or fabric integrity is compromised

Dive In

Browse the full women's swimming gear collection for chlorine-resistant swimsuits, rash guards, and pool-ready apparel from adidas and Under Armour.

Frequently Asked Questions About Womens Swimming Gear

What swimsuit is best for lap swimming?

A one-piece swimsuit with chlorine-resistant fabric (like adidas Infinitex) and body-mapped panels for secure fit during all stroke types. Chlorine-resistant fabric maintains shape and color through months of regular pool use. Close-fitting construction reduces drag for more efficient swimming. Recreational suits without chlorine resistance degrade quickly with regular pool exposure.

How long do chlorine-resistant swimsuits last?

With proper care, chlorine-resistant swimsuits like those using Infinitex fabric last 6-12 months of regular pool use (3-5 swims per week). Standard non-resistant swimsuits last 3-6 months under the same conditions. Proper care includes rinsing immediately after swimming, hand washing, and air drying. Leaving wet suits in bags and machine drying significantly shorten lifespan.

Do I need a rash guard for pool swimming?

For outdoor pool swimming, a rash guard provides valuable UV protection during extended sun exposure. Indoor pool swimmers typically do not need one unless they experience chafing from repetitive arm movements. Rash guards also provide an extra layer of warmth in cooler pools. For outdoor swimmers spending 1+ hours in the sun, a rash guard is a practical addition.

One-piece vs. two-piece swimsuit for fitness swimming: Which is better?

One-piece swimsuits are preferred for fitness and lap swimming. They stay in place during all stroke types without shifting, provide consistent drag reduction, and eliminate the risk of separation during flip turns and push-offs. Two-piece suits work for recreational swimming and water fitness classes where the movements are less intense. For regular lap swimming, a one-piece with chlorine-resistant fabric is the most practical choice.

How do I care for my swimsuit to make it last?

Rinse in cold fresh water immediately after every swim to remove chlorine. Hand wash or use a gentle machine cycle with mild detergent and no bleach. Roll in a towel to remove water instead of wringing. Air dry flat or on a line, never in a machine dryer. Store dry in a ventilated area. These steps prevent the chlorine damage, heat damage, and stretch loss that shorten swimwear life.