Boxy Minimalist · wide straight leg, open hem

Heavyweight Wide Sweatpants

SlabSweats
Pro
400 GSM fleece, 5 cm elastic drawcord waist, side-seam pockets, 25 cm open hem, no taper
A waist 36 C rise 32 H inseam 76 G leg opening 25 B hip 56
FRONT
BACK
Starting spec — make a sample before you order in bulk.
New to tech packs? Read how to make one, step by step →

Fabric

400
GSM · Extra heavyweight · range 380450
Heavyweight brushed-back fleece80% cotton / 20% polyester. Brushed inside; pre-shrunk
Trim: Waistband elastic · Polyester / rubber elastic, 4.5 cm · 300 GSM
What does GSM mean? Read the fabric weight guide →

How it's made

Waist
Elastic waistband with flat drawcord · waistband height: 5 cm · closure: Drawcord exits through 2 metal eyelets at CF
Pockets
2× side seam · 16 cm opening; 1× back patch · 13 × 14 cm
Body hem
3 cm open hem, twin-needle cover-stitch. Straight leg, no taper below knee
Seams
4-thread overlock, cover-stitched outseam
Stitch density spi
11 stitches per inch

Size chart

Garment laid flat · M is the sample size
Measure
XS
S
M
L
XL
XXL
A
Waist (relaxed, flat) ± 1 cm
32
34
36
38
40
42
B
Hip width (flat, 20 cm below top) ± 1 cm
52
54
56
58
60
62
C
Front rise (incl. waistband) ± 0.5 cm
30.5
31
32
33
33.5
34
D
Back rise (incl. waistband) ± 0.5 cm
38
39
40
41
42
43
E
Thigh width (2.5 cm below crotch) ± 0.5 cm
31.5
33
34
35
36.5
37.5
F
Knee width (38 cm above hem) ± 0.5 cm
27
28
29
30
31
32
G
Leg opening (flat) ± 0.5 cm
23
24
25
26
27
28
H
Inseam ± 1 cm
76
76
76
76
76
76
I
Waistband height ± 0.2 cm
5
5
5
5
5
5

Colourways

Heather Grey
#A9AAA6
Black
#181818
Brown
#5A4636

Trims & notes

4.5 cm waistband elastic
Flat cotton drawcord 1.2 cm with metal aglets
Metal eyelets (x2)
Main label
Care label
Pairs with the Heavyweight Boxy Crewneck as a matching set (same fleece).
Inseam is one length; offer 72/80 as length options.
© 2026 LineDrop · Starting specs — always make a sample first.