Size guide - LOOW merino sweatpants

How to choose your size – Use waist and hip as the main guide, then confirm with garment measurements (waist/hip/inseam). If you want a relaxed lounge fit, size up.

Pick your fit (quick decision)

  • Close fit: choose your usual size.
  • Regular fit: choose your usual size — or size up if you’re between sizes.
  • Relaxed fit / layering: size up by one or two.


185 cm • 80 kg 
Wears size M/L

172 cm • 59 kg
Wears size S

Hips,cm Height, cm Length
(Inseam)
S 64-100 <175 80cm
M/L 78-110 175-185 85cm
XL+ 84-130 185+ 90cm

FAQ for Sweatpants sizing

Fit, length and what to choose if you’re between sizes.

Should I size up for a relaxed fit?

Yes—if you want more room in the leg or a lounge fit, sizing up often feels best.

What if I’m between two sizes?

Closer fit: smaller size. Relaxed/roomy: larger size.

How do I choose the right length?

Use the inseam measurement as your decision point, especially if you’re tall.

Will they shrink after washing?

They can settle slightly. Follow the care instructions to keep the fit consistent.

Still unsure? Message us — we’re happy to recommend a size based on your measurements and preferred fit.