Activewear Box Banner – #FF69B4
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  • Yoga Activewear Mystery Box 3PC
    Sale

    Yoga Activewear Mystery Box – 3 Pieces

    Yoga Activewear Mystery Box – 3 Pieces
    $29.00 $300.00
  • Activewear Essentials Bundle – 3 Piece Set
    Sale

    Activewear Essentials Bundle – 3 Piece Set

    Activewear Essentials Bundle – 3 Piece Set
    $29.00 $100.00
  • Four women in athletic wear with 'AYBL DUPES' branding and text 'LIFT. LOUNGE. REPEAT.' on a dark background.

    AYBL Dupes - 3 Pieces

    AYBL Dupes - 3 Pieces
    $29.00
  • Three women wearing athletic wear with text 'ONER ACTIVE DUPES' and 'Train Hard, Look Effortless' on a beige background.

    Oner Active Dupes – 3 Pieces

    Oner Active Dupes – 3 Pieces
    $29.00
  • Woman modeling leggings in black, purple, and blue with text 'NVGTN DUPES' on a gray background.

    NVGTN Dupes Activewear – 3 Pieces

    NVGTN Dupes Activewear – 3 Pieces
    $29.00
  • DFYNE DUPES – 4:5 Mobile Lifestyle

    DFYNE Dupes – 3 Pieces | Leggings, Shorts & Sports Bra

    DFYNE Dupes – 3 Pieces | Leggings, Shorts & Sports Bra
    $29.00
  • Promotional graphic for a 3-piece activewear set in a black box, featuring a purple sports bra, pink leggings, and pink scrunch shorts. The image includes pricing information, feature icons, and a 'Get Your Box Now' button on a black background with pink accents.

    Activewear Haul Bundle | 3PC Workout Set

    Activewear Haul Bundle | 3PC Workout Set
    $29.00
  • Premium Activewear Bundle – Fresh Build

    Premium Activewear Dupes — 3PC

    Premium Activewear Dupes — 3PC
    $29.00
  • Advertisement for a CRZ Yoga Lululemon dupe mystery box on a black background with promotional text.

    CRZ Yoga Lululemon Dupes — 3PC Yoga Activewear Bundle

    CRZ Yoga Lululemon Dupes — 3PC Yoga Activewear Bundle
    $29.00
  • activewear-mystery-box-leggings-shorts-bras
    Sale

    Activewear Mystery Bag – Leggings, Shorts or Tops

    Activewear Mystery Bag – Leggings, Shorts or Tops
    $19.95 $59.99

What Our Customers Say

4.98 ★ (693)
Verified

Activewear Box – 3PC for $29

Viral TikTok Gymwear · 3 Pieces

3PC Activewear Box $29. $75+ Value.

3 Pieces • Under $10 Per Piece • Free Shipping • Sizes XS–XL
★★★★★ 4.98 — 693 Reviews

The perfect starter box. Premium pieces. No markup.

What's Inside the 3PC Box

3 premium pieces curated to your size. No duplicates, no filler.

1 Legging
Squat-Proof
High-waisted, squat-proof. Scrunch, seamless, or pocket style.
1 Pair of Shorts
No Ride-Up
Scrunch, pocket, or flare cut. No ride-up. No see-through. Built for movement.
1 Sports Bra
Matched to Your Set
Supportive and flattering. Selected to coordinate with your legging and shorts.
No Duplicates
Complete Outfit
3 unique pieces that work together as a ready-to-wear gym outfit.
Size Guide — Select at Checkout

All pieces are cut in a consistent seamless fit. Between sizes? Size up for a relaxed feel or stay true to size for compression.

Size US Size Waist Hips Best For
S 2–4 24–26" 34–36" XS–S frame
M 6–8 27–29" 37–39" S–M frame
L 10–12 30–32" 40–42" M–L frame
XL 14–16 33–35" 43–45" L–XL frame

All measurements approximate. Seamless fabric has natural stretch — most styles accommodate ±1 size.

How It Works

Three steps to your first gym outfit.

1

Choose Your Size

Select S, M, L, or XL and add to cart. We build the rest.

2

We Curate Your Box

3 premium matching activewear styles from our latest seamless collections. No filler, no duplicates.

3

Unbox & Wear

Your box arrives with a coordinated, gym-ready outfit — at a fraction of retail pricing.

★★★★★

“I seriously wasn’t expecting it to be this good. The quality feels premium, the colors all work together, and every piece is something I’d actually wear to the gym.”

Verified Customer Review
3-piece activewear mystery box — ActivewearBox starter bundle
Want More? Upgrade Your Box

Same quality, more pieces, lower price per item.

3
Pieces
You’re already here. Perfect starter box.
Shop 3-Piece Box →
6
Pieces
Our most popular box. Best balance of value and variety.
Shop 6-Piece Box →
12
Pieces
The lowest price per piece. Full wardrobe refresh.
Shop 12-Piece Box →
Common Questions
What comes inside the 3PC Mystery Box?

1 high-waisted legging, 1 pair of scrunch shorts, and 1 sports bra. Retail value $75+. Free shipping included. No duplicates, ever.

How much does it cost?

$29 with free shipping. Combined retail value of $75 or more.

What sizes are available?

S (US 2–4), M (US 6–8), L (US 10–12), and XL (US 14–16). Seamless fabric has natural stretch — size up if between sizes.

Can I choose what’s inside?

No — the contents are a mystery curated by ActivewearBox. Every piece is premium with no low-quality filler.

Is this a subscription?

No. One-time purchase, no recurring charges, no hidden fees.

Does it include free shipping?

Yes. Free shipping on every order with fast dispatch and tracked delivery.

Premium Activewear • Free Shipping • Secure Checkout • No Subscription