Size Guide
SIZE GUIDE
Finding your fit.
SO1O sizing is designed for an athletic performance fit. All measurements are in centimetres (cm). Measure your body, not your clothing.
How to measure
Chest: Measure around the fullest part of your chest, keeping the tape horizontal.
Waist: Measure around your natural waist, at the narrowest point.
Hip: Measure around the fullest part of your hips.
Inseam: Measure from the crotch seam to the bottom of the leg.
Size chart — tops & outerwear
| Size | Chest (cm) | Waist (cm) | Hip (cm) |
|---|---|---|---|
| S | 86–91 | 71–76 | 89–94 |
| M | 92–97 | 77–82 | 95–100 |
| L | 98–103 | 83–88 | 101–106 |
| XL | 104–109 | 89–94 | 107–112 |
Size chart — bottoms
| Size | Waist (cm) | Hip (cm) | Inseam (cm) |
|---|---|---|---|
| S | 71–76 | 89–94 | 76 |
| M | 77–82 | 95–100 | 78 |
| L | 83–88 | 101–106 | 79 |
| XL | 89–94 | 107–112 | 80 |
Cap — OS (One Size)
The Collective Cap features an adjustable strap and fits head circumferences of 54–60cm.
Still unsure? Email adam@so1o.uk with your measurements and we’ll advise on the best fit for your body type and preferred fit.