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S45 Jeans Co.

The
Collection.

Six fit styles. 200+ designs. Boys ages 1–16. Sizes 16 to 40. Every pair built to move, last, and look great.

01
Relax FitSizes 22–40
Fit 01 of 06

Relax Fit

All Day ComfortEasy MovementMultiple WashesSizes 22–40

Our Relax fit is built for boys who need space. Cut with extra room through the seat and thigh, it allows full freedom of movement without the bunching or pulling that tight fits cause during active wear.

This is the fit parents come back to most often for younger boys, it sits comfortably, does not restrict, and still looks clean and put-together when they need to look smart.

Available across our full range of washes from light indigo to dark charcoal. A true everyday workhorse fit.

Available Sizes22 to 40
WaistbandFix Waistband
Leg ShapeStraight, Relaxed
Best ForDaily Wear
02
Comfort FitSizes 22–40
Fit 02 of 06

Comfort Fit

Skin FriendlySchool WearSoft FabricSizes 22–40

The Comfort fit prioritises how the jeans feel against a boy's skin. Made from softer fabric blends with a gentle texture, it is ideal for boys who are sensitive to rougher denim or spend long periods seated, at school, at home, or travelling.

The waistband sits gently without digging in, and the overall cut avoids any pinch points. It looks like a standard well-fitted jean, but feels considerably more gentle throughout the day.

A favourite for school uniforms and family occasions where boys need to stay in their jeans for many hours at a stretch.

Available Sizes22 to 40
WaistbandFix Waistband
Leg ShapeGently Fitted
Best ForLong Wear Days
03
Straight FitSizes 16–40
Fit 03 of 06

Straight Fit

Most VersatileClassic CutWidest RangeSizes 16–40

The Straight fit is the classic. A straight line from hip to hem, proportional, versatile, and never out of style. This is the cut that works for every occasion, every age, and every boy.

Not too tight, not too loose. The Straight fit is the benchmark against which we measure everything else. It has been in our collection since day one and remains one of our top sellers year after year.

Now available in the full size range from 16 to 40, from toddlers to teens. Available in the widest range of washes and finishes of any fit we offer.

Available Sizes16 to 40
WaistbandFix & Elastic
Leg ShapeStraight
Best ForEvery Occasion
04
Baggy FitSizes 16–40
Fit 04 of 06

Baggy Fit

Street ReadyAll AgesBold SilhouetteSizes 16–40

The Baggy fit is bold. Wide through the seat and thigh, with a relaxed leg that gives maximum freedom. It has a strong street-style character and is one of our most popular styles with boys of all ages.

Do not confuse baggy with sloppy. Our Baggy fit is cut with intention, it hangs properly, sits at the right height, and maintains its shape through washing. It is an intentional silhouette, not an oversized accident.

Available in all sizes from 16 to 40, making it one of our most inclusive fits across every age group.

Available Sizes16 to 40
WaistbandElastic Waistband
Leg ShapeWide, Loose
Best ForStreet Style
05
R.Elastic FitSizes 16–40
Fit 05 of 06

R.Elastic Fit

Elastic WaistEasy DressingAll Day ComfortSizes 16–40

R.Elastic, Relaxed Elastic, combines the look of a relaxed-fit jean with the ease of an elasticated waistband. It is our most practical fit, and the one that parents of younger boys ask for most.

The elasticated waist means no fiddling with buttons or zips, faster changes, and no waistband digging in during long periods of wear. The leg is cut with the same relaxed proportions as our Relax fit.

Available in the full size range from 16 to 40, a comfortable, easy choice for boys at every age.

Available Sizes16 to 40
WaistbandElastic Waistband
Leg ShapeRelaxed
Best ForEasy Everyday Wear
06
Bootcut FitSizes 22–40
Fit 06 of 06

Bootcut Fit

Smart LookOccasionsClassic FlareSizes 22–40

The Bootcut is fitted through the thigh and flares gently from the knee down. It is a classic silhouette that suits a wide range of body types and has a more formal, put-together appearance than our other styles.

Particularly popular for family occasions, festivals, and any event where a boy needs to look sharp without being uncomfortable. The slight flare at the hem makes it pair well with sneakers and formal footwear alike.

A distinguished cut that is increasingly hard to find in boys' sizing, we have kept it in our range because the demand for it has always been consistent.

Available Sizes22 to 40
WaistbandFix Waistband
Leg ShapeBootcut Flare
Best ForOccasions & Smart
In Development

Always working on what's next.

Our design team is continuously working on new designs, washes, and finishes. Follow us on Instagram for early looks at what's coming.

New WashesNew FinishesCargo FitsComing Soon
Size Guide

Finding the right size.

Our sizes are garment sizes, numbered 16 through 40. The size number directly represents the length of the jeans in inches, size 16 is a 16-inch length jean, size 40 is a 40-inch length jean. Each size corresponds to an approximate age range. If your boy is between sizes, we always recommend sizing up for comfort and growing room.

S45 SizeJean LengthApprox. AgeFits AvailableNotes
1616 inches1 – 2 yearsStraight, R.Elastic, BaggyElastic waist strongly recommended
1818 inches2 – 3 yearsStraight, R.Elastic, Baggy
2020 inches3 – 4 yearsStraight, R.Elastic, Baggy
2222 inches4 – 5 yearsRelax, Comfort, Straight, Bootcut, R.Elastic, BaggyAll 6 fits available from this size
2424 inches5 – 6 yearsRelax, Comfort, Straight, Bootcut, R.Elastic, Baggy
2626 inches6 – 7 yearsAll 6 fits
2828 inches7 – 8 yearsAll 6 fits
3030 inches8 – 10 yearsAll 6 fits
3232 inches10 – 11 yearsAll 6 fits
3434 inches11 – 12 yearsAll 6 fits
3636 inches12 – 13 yearsAll 6 fits
3838 inches13 – 15 yearsAll 6 fitsTeen range
4040 inches15 – 16+ yearsAll 6 fitsLargest standard size
Not sure of the size? Message us on WhatsApp with your boy's age and height, we will recommend the right size and fit for him personally.