Interval Training Shorts (Black)

Ten Thousand

№144

Experts Say

These were so good that we inducted the Intervals into last year's GQ All-Stars, dubbing them the only workout shorts you'd ever need

— GQ

£59

~~£0.00~~ £59

Sale

Size S M L XL

Product variants

🚚 Order within the next 2 hours, 15 minutes for delivery by 19 Mar, 2026.

Spread payments with

100-Day Returns

4.9 Star Trustpilot

Next Day Delivery

£90+ Free Shipping

Authorised Dealer

20% For Rewilding

Why It Made The List

These Interval shorts are Ten Thousand's flagship product; their most versatile piece of kit, designed in conjunction with elite athletes to help you lift, run, swim, squat and stretch. Industry accolades are myriad, which is no surprise considering the amount of thought that's gone into their (updated) design. The shell is quick-drying and sweat wicking, as well as employing a four-way stretch and cling free construction for maximum mobility. A no-pinch, no-bunch waistband is paired with an anti-odour-treated compression liner to make the fit as comfortable, hygienic and supportive as possible. Add bonded hems and multiple pockets and you've got a piece of seriously hard-working gear that can literally do it all.

N.B. These run a touch small, so if in doubt or on the cusp, go a size larger.

Features

Quick drying, moisture-wicking fabric
Secure pockets for phone and keys
Built-in liner options for training days
Hardwearing build for repeats and washes

SPECIFICATIONS

Colour: Black
Shell construction: 86% Polyester, 14% Spandex
Shell weight: 133 GSM (lightweight)
Inseam: 7 inches
Liner: Built-in medium compression liner with permanent silver ion anti-odour treatment

MORE DETAIL

Everything New York-based Ten Thousand make is designed in collaboration with elite athletes. Their signature Interval Shorts are no different. This athlete-led design approach means only the toughest, most flexible, supportive and hard-wearing kit makes it to the shop floor.

The Intervals are the brand's poster child, lauded by every fitness/men's magazine as the most versatile options out there today. And quite rightly.

The fabric is light but incredibly strong, made from a polyester/spandex mix that's flexible and quick drying, with enough stretch to facilitate exaggerated movement without compromising on durability. This mix of strength and flexibility is the reason they're so versatile, with advocates using them for all sorts, from running to football, Crossfit to swimming and everything in between.

Multiple pockets have you covered for anything you might need to bring along, with zipped and unzipped versions, as well as key slips and the all important elasticated phone compartment on the liners.

Speaking of the liner, it's the best we've tried. Incredibly comfortable and light, it's not too thick and doesn't ride up like most. The finely stitched seams don't rub or irritate and it supports exactly where it should.

SHIPPING AND RETURNS

SHIPPING OPTIONS

We offer free standard delivery (Tracked 48) on orders over £90.

Royal Mail Tracked 48 (2-3 business days): £2.95

Royal Mail Tracked 24 (usually delivered next business day if ordered by 2pm the business day before, but not 100% guaranteed): £5.95

N.B. For bladed products a £2 surcharge is added to normal shipping costs, to cover the legally required age verification service, provided by Royal Mail

Royal Mail Next Day by 1pm (guaranteed delivery by 1pm next business day, if ordered by 2pm the business day before. Not available on bladed products): £12.95

For some rural postcodes next day delivery is not possible. For more detail on these postcodes, please see our Shipping page. There is no system check for these postcodes, so please do not select these services if your delivery address falls within this list.

RETURNS

We offer 100-day returns, provided items are returned in a perfectly re-sellable condition (undamaged and in original condition with tags/packaging). For more detailed information on conditions of return and the process involved, please see our Returns policy page.