Terms
    Change Model
  • Cylus - Wearing Size: MHeight: 6'2''
    Bottom Size: MTop Size: MWaist: 32Inseam: 34
  • CJ - Wearing Size: XLHeight: 6'3''
    Bottom Size: XLTop Size: XLWaist: 36Inseam: 33
  • Drew - Wearing Size: SHeight: 6'1''
    Bottom Size: STop Size: S
Cylus - 6‘2‘’ Wearing Size: M
The O2 Run Short Lined 5in
The O2 Run Short Lined 5in
The O2 Run Short Lined 5inThe O2 Run Short Lined 5inThe O2 Run Short Lined 5in

The O2 Run Short Lined 5in

(518)
LIMITED TIME OFFER: 2 FOR $20 SHORTS: $10.00
Non-Member: 
$74.95
Core
Limited:
Black/Storm Slate
Size:
Select an option
Fit: True to Size
Inseam: 5in
Lining: Lined
Qty: 1
1
LIMITED TIME OFFER: 2 FOR $20 SHORTS: $10.00
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: $74.95

AS SEEN ON YOU

Product Fit
Reasons You Need This
Product Fit
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Wear It With

Current Item

The Training Day Tee
The Training Day Tee

LIMITED TIME OFFER

$13.98 or 3 FOR $19 TEES AND TANKS
The O2 Run Jacket
The O2 Run JacketLIMITED TIME OFFER: 80% OFF
$21.98 $109.95
Last Chance
The Everyday Sock (Ankle)
The Everyday Sock (Ankle)LIMITED TIME OFFER: 80% OFF
$3.98 $19.95
The One Jacket
The One JacketLIMITED TIME OFFER: 80% OFF
$24.98 $124.95

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The O2 Tee
The O2 Tee

LIMITED TIME OFFER

$13.98 or 3 FOR $19 TEES AND TANKS
The Training Day Tee
The Training Day Tee

LIMITED TIME OFFER

$13.98 or 3 FOR $19 TEES AND TANKS
518 reviews for The O2 Run Short Lined 5in
518 reviews for The O2 Run Short Lined 5in
4.7
97% who purchased recommend it
Overall Fit
Runs SmallTrue to SizeRuns Large

Reviews

Showing 3 of 518
Sort: Most Recent

Estevão

Size PurchasedL
Color PurchasedDeep Sea Green
November 7, 2026

Nice color

David

Size PurchasedL
Color PurchasedOnyx
November 7, 2026

I have 3 of this short and love the liner and hidden pocket. Good for working out and everyday use.

Imelda

Size PurchasedL
Color PurchasedBrutalist Khaki/Taupe Slate
November 6, 2026

My son is M in other sizes this M its to small we had to size up. He loves them.
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.