Terms
    Change Model
  • Corey - Wearing Size: MHeight: 6'1''
    Bottom Size: MTop Size: LWaist: 34Inseam: 32
  • Gary - Wearing Size: XLHeight: 6'3''
    Bottom Size: XLTop Size: XLWaist: 36Inseam: 34
  • Ted - Wearing Size: SHeight: 6'1''
    Bottom Size: STop Size: SWaist: 29Inseam: 32
Corey - 6‘1‘’ 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 5inThe O2 Run Short Lined 5inThe O2 Run Short Lined 5in
Popular! 6 others are viewing now

The O2 Run Short Lined 5in

(351)
LIMITED TIME OFFER: 2 FOR $20 SHORTS: $10.00
Non-Member: 
$74.95
Core:
Black
Limited
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
Product Fit
Reasons You Need This
Rotate phone for a better experience

Wear It With

Current Item

The O2 Run Jacket
The O2 Run JacketLIMITED TIME OFFER: 80% OFF
$21.98 $109.95
The Effortless Oversized Tee
The Effortless Oversized Tee

LIMITED TIME OFFER

$11.98 or 3 FOR $19 TEES AND TANKS
The Blueprint Boxer Brief
The Blueprint Boxer BriefLIMITED TIME OFFER: 80% OFF
$4.98 $24.95
The Everyday Quarter Crew Sock
The Everyday Quarter Crew SockLIMITED TIME OFFER: 80% OFF
$4.98 $24.95
New

Our Performance Shorts

You Will Also Love

The O2 Run Short 5in
The O2 Run Short 5inLIMITED TIME OFFER: 2 FOR $20 SHORTS
$10.00 $69.95
The Fundamental Short II Lined 5in
The Fundamental Short II Lined 5inLIMITED TIME OFFER: 2 FOR $20 SHORTS
$10.00 $69.95
The One Short Lined 5in
The One Short Lined 5inLIMITED TIME OFFER: 2 FOR $20 SHORTS
$10.00 $74.95
The O2 Tank
The O2 Tank

LIMITED TIME OFFER

$11.98 or 3 FOR $19 TEES AND TANKS
The O2 Tee
The O2 Tee

LIMITED TIME OFFER

$13.98 or 3 FOR $19 TEES AND TANKS
351 reviews for The O2 Run Short Lined 5in
351 reviews for The O2 Run Short Lined 5in
4.7
99% who purchased recommend it
Overall Fit
Runs SmallTrue to SizeRuns Large

Recent reviews

Kelli

Size PurchasedXS
Color PurchasedDeep Sea Green
August 6, 2026

Love these, wear them everytime I run!

Nic

Size PurchasedM
Color PurchasedClassic White
August 6, 2026

Love the color, love the fit.

Nic

Size PurchasedM
Color PurchasedHeated Red
August 6, 2026

Love the color, love the fit.
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.