Boxy Minimalist · high-rise, curved through the thigh and knee, closing in at the ankle
Barrel-Leg Canvas Trouser
CubeBarrel
330 GSM cotton canvas, 41 cm waist, 52 cm hip, curved outseam through the knee, 21 cm leg opening, zip fly, 72 cm inseam
FRONT
BACK
Free vector flat
No account
The drawing above, front and back, as an editable vector — open it in Illustrator, Figma or Affinity and put your own graphics on it. Measurements aren't on the flat; they're in the tech pack.
The vector flat above is free and always will be. The tech pack — graded measurements, tolerances, fabric weights and construction — is the paid part.
Starting spec — make a sample before you order in bulk.
New to tech packs? Read how to make one, step by step →Fabric
330
GSM · Extra heavyweight · range 300–380
Cotton canvas, garment-washed — 98% cotton / 2% elastane. Piece-dyed, garment-washed with a softener. The 2% elastane is for recovery at the knee, not for stretch — a 100% cotton canvas in this shape bags out at the knee and stays bagged
Trim: Pocketing · 100% cotton twill, 120 GSM · 120 GSM
What does GSM mean? Read the fabric weight guide →How it's made
Waistband
straight, two-piece, curved to the body · height: 4 cm · closure: One 20L shank button + hidden interior button · belt loops: 5 · loop w: 1.2 cm · interlining: Woven fusible, waistband only
Fly
zip fly, 15 cm #4.5 metal, left over right · shield: Self-fabric fly shield, edge-overlocked · topstitch: J-stitch, single-needle 0.6 cm, bar-tacked at the bottom
Pockets
front: Slant side pockets, 16 cm opening, bagged in pocketing with a self-fabric facing visible in the opening · back: One 13 cm welted pocket on the wearer's left, 1.2 cm single welt, bar-tacked both ends · reinforcement: Bar-tack every pocket mouth; the front pocket corners are where a curved leg is pulled from when sitting down
Body hem
3 cm 3 cm turned-up hem, single-needle, chainstitched
Seams
Outseam and inseam both flat-felled 1.0 cm; the outseam carries the curve, so flat-fell it in two passes rather than one
Stitch density spi
9 stitches per inch
Size chart
Garment laid flat · M is the sample size
Measure
XS
S
M
L
XL
XXL
A
Waist width (flat, at the band)
± 1 cm
37
39
41
43
45
47
B
Hip width (flat, 20 cm below waist)
± 1 cm
47
49.5
52
54.5
57
59.5
C
Front rise (band seam to crotch)
± 0.5 cm
28
29
30
31
32
33
D
Back rise (band seam to crotch)
± 0.5 cm
38
39
40
41
42
43
E
Thigh width (2 cm below crotch, inseam to outseam)
± 0.5 cm
32
33.5
35
36.5
38
39.5
G
Leg opening (flat)
± 0.5 cm
20
20.5
21
21.5
22
22.5
H
Inseam
± 1 cm
69
70.5
72
73.5
75
76.5
I
Waistband height
± 0.3 cm
4
4
4
4
4
4
J
Knee width (flat, 33 cm below crotch)
± 0.5 cm
28
29
30
31
32
33
Colourways
Ecru
#DED6C6
Washed Black
#32312F
Olive Drab
#5A5B46
Trims & notes
• #4.5 metal zip, 15 cm (fly)
• 20L shank button + interior button
• Woven fusible, waistband (~0.1 m2)
• Pocketing, cotton twill (~0.4 m)
• Woven label (inside centre back waistband)
• Care label (pocket bag)
• The barrel is a pattern shape, not a wide leg hemmed in. The outseam has to be drafted with a knee point wider than both the hip and the hem — 30 cm flat at the knee against 26 cm at the hip and 21 cm at the hem. A factory handed a wide-leg block and told to 'taper the ankle' returns a carrot-shaped trouser with a straight outseam.
• Keep the hip within 12 cm of the waist. At 41/52 the outline still reads as a trouser; push the hip past 54 against this waist and the waistband corners and the flat looks like a funnel.
• Flat-fell the curved outseam in two passes. One pass around that much curve either ripples on the outside of the curve or puckers on the inside, and it is visible down the full length of the leg.
• The 2% elastane is there so the knee recovers. This shape puts the knee at the widest point of the leg, which is also where the cloth is loaded when sitting — in a rigid canvas it bags permanently by week three.
• Garment-wash the sample before judging the leg opening. Canvas closes up 2-4% in the wash and a 21 cm opening measured off the press is 20 cm on the customer.
© 2026 LineDrop · Starting specs — always make a sample first.