Asymmetrical Tactical · boxy, hip length

Offset-Zip Shell Jacket

SkewShell
Pro
120 GSM 2.5-layer nylon ripstop, full zip offset 5 cm off-centre, 8 cm stand collar, taped seams, drawcord hem, tab cuffs
zip offset 5 B chest 62 A length 70 drop 4 E sleeve 62
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

120
GSM · Lightweight · range 100150
2.5-layer nylon ripstop100% nylon face, PU membrane. Waterproof/breathable (aim 10k/10k); PFAS-free DWR
Trim: Binding (cuffs, collar edge) · 100% nylon taffeta · 70 GSM
What does GSM mean? Read the fabric weight guide →

How it's made

Shoulder
Drop shoulder, 4 cm drop — Seam-sealed with 2 cm tape
Closure
Full zip offset 5 cm to wearer's left · zip: #5 water-resistant coil zip with inner storm flap and chin guard
Collar
Stand collar · height: 8 cm
Pocket
Chest zip pocket · opening: 15 cm · placement: Wearer's right chest, slightly angled
Sleeve hem
1.5 cm adjustable cuff binding with hook-and-loop tab
Body hem
2.5 cm drawcord hem channel. Straight hem; cord-locks at both side seams
Seams
Fully taped
Stitch density spi
10 stitches per inch

Size chart

Garment laid flat · M is the sample size
Measure
XS
S
M
L
XL
XXL
A
Body length (HPS to hem) ± 1 cm
67
68.5
70
71.5
73
74.5
B
Chest width (1 cm below armhole) ± 1 cm
56
59
62
65
68
71
C
Hem width ± 1 cm
54
57
60
63
66
69
D
Across shoulder (seam to seam) ± 1 cm
50
52
54
56
58
60
E
Sleeve length (from shoulder seam) ± 1 cm
60
61
62
63
64
65
F
Cuff opening (tab open, flat) ± 0.5 cm
12
12.5
13
13.5
14
14.5
G
Armhole (straight) ± 0.5 cm
25
26
27
28
29
30
H
Neck width ± 0.5 cm
19
19.5
20
20.5
21
21.5
O
Collar stand height ± 0.3 cm
8
8
8
8
8
8

Colourways

Black
#151515
Ranger Green
#4A5240
Signal Orange
#D9652B

Trims & notes

#5 water-resistant coil zip + garage
#3 water-resistant zip 15 cm (chest pocket)
Seam tape 2 cm
Hook-and-loop cuff tabs (x2)
Cord-locks (x2) + 3 mm shock cord
Pairs with the Offset-Zip Utility Vest (same offset-zip idea).
Ask the factory for a water test on the first sample.
© 2026 LineDrop · Starting specs — always make a sample first.