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    Change Model
  • Matt - Wearing Size: MHeight: 6'2''
    Bottom Size: MTop Size: MWaist: 32Inseam: 32
  • Peter - Wearing Size: SHeight: 6'0''
    Bottom Size: STop Size: SWaist: 30Inseam: 32
  • CJ - Wearing Size: XLHeight: 6'3''
    Bottom Size: XLTop Size: XLWaist: 36Inseam: 33
Matt - 6‘2‘’ Wearing Size: M
The O2 Tank
The O2 Tank
The O2 Tank
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Great Choice! Added to 5 bags in the last week

The O2 Tank

(1,009)

LIMITED TIME OFFER

: $11.98 or 3 FOR $19 TEES AND TANKS
Non-Member: 
$59.95
Core
Limited:
Neo Lime
Size:
Select an option
Fit: True to Size
Qty: 1
1

LIMITED TIME OFFER

: $11.98 or 3 FOR $19 TEES AND TANKS
After your first purchase, you will be charged $69.95 each month for a Member Credit, unless you “Skip” between the 1st and the 5th. You have 12 months to redeem each credit for any item or outfit up to $100, before the credit expires. Cancel your membership anytime online or by phone.Learn more about our VIP membership
Non-Member: $59.95

AS SEEN ON YOU

Product Fit
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Wear It With

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The O2 Run Short 5inLIMITED TIME OFFER: 2 FOR $20 SHORTS
$10.00 $69.95

Vent Mesh

A light-as-air mesh that won't weigh you down on your runs. Made to sit off the skin, it’ll keep you fresh thanks to breathable, sweat-wicking tech.

Vent Mesh

A light-as-air mesh that won't weigh you down on your runs. Made to sit off the skin, it’ll keep you fresh thanks to breathable, sweat-wicking tech.

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1,009 reviews for The O2 Tank
1,009 reviews for The O2 Tank
4.7
98% who purchased recommend it
Overall Fit
Runs SmallTrue to SizeRuns Large

Recent reviews

AI Generated Review Summary

Fabletics customers rave about this tank top's lightweight, breathable material that keeps them cool and dry during intense workouts. They appreciate the relaxed yet flattering fit with great mobility, as well as the simple, versatile style with mesh details for extra ventilation.

Tiana

Size PurchasedL
Color PurchasedBlack
September 1, 2026

My husband loves his tank. He likes to use it to work out in or on hot

Kevin

Size PurchasedXXL
Color PurchasedDeep Navy
August 31, 2026

Great Product

Joshua

Size PurchasedXL
Color PurchasedClassic White
August 31, 2026

This is great for the gym.
See More Reviews
Our 30 Day Perfect Fit GuaranteeWe’ve got you covered! If the style you ordered doesn’t fit perfectly or you don’t love how it looks, we’ll happily accept returns or exchanges up to 30 days from shipment. 30 Day Fit Guarantee applies to select styles only and excludes Need-Now Prices.