High-Density Fleece Heavyweight Crewneck Sweatshirts manufactured by Silvon International
Division: Apparel Manufacturing • Streetwear & Sweats

Heavyweight Crewneck Sweatshirts

380 to 480 GSM Cotton French Terry, Ribbed Inset Gussets & Relaxed Silhouettes

Minimum Order Qty (MOQ) 50 to 100 pieces / style / colorway
Prototype Sample Turnaround 7 to 10 business days
Bulk Production Capacity 2 to 3 weeks
Private Label / OEM Status Yes — Custom Dyeing, Embroidery & Screen Prints

Silvon International manufactures luxury crewneck and raglan sweatshirts engineered for private-label streetwear brands. Utilizing 380 to 480 GSM 100% combed cotton French Terry or brushed cloud fleece, our crewnecks feature authentic V-notch collar inserts, underarm ribbed expansion gussets for freedom of movement, and shape-retaining 2x2 cuffs. Fabric is preshrunk and enzyme softened.

Supported Raw Materials / Fabrics
✓ 100% Combed Cotton French Terry (380 - 480 GSM) ✓ Heavy Diagonal Fleece ✓ Garment Dye Options
Available Colorways & Custom Dyeing
Mocha Espresso Brown
Washed Ash Grey
Pitch Black
Vintage Olive
Size Range & Custom Tech Pack Grading
XS S M L XL 2XL 3XL Custom Boxy Fit

Manufacturing Specifications & OEM Options

Knit Composition 100% Long-Staple Combed Cotton French Terry
Available Weights 380 GSM, 420 GSM, and ultra-heavy 480 GSM
Collar & Cuffs 2x2 Heavy Spandex-Rib knit with twin-needle border
Gusset Details Underarm and side-panel ribbed expansion gussets
Seam Construction Flatlock and cover-stitched seams throughout
Shrinkage Rate Pre-washed garment; less than 2.5% shrinkage

Private Label & Branding Capabilities

We offer comprehensive end-to-end customization to bring your label's design identity to fruition:

  • Direct high-density puff print and crackle ink screen printing
  • Tonal or contrast chest and wrist 3D embroidery
  • Garment pigment dyeing and vintage mineral fade washes
  • Custom jacquard ribbed collar and cuffs with knitted logo stripe
  • Full retail presentation: branded tags, woven neck label, barcode bag
Reliable B2B Execution

Our 4-Step Sampling to Bulk Process

Every product begins with rigorous counter-sampling to ensure exact fit, stitch precision, and material hand-feel prior to bulk cutting.

01

Tech Pack & Quote

Submit your tech pack, sketches, or reference garment. Our engineering team reviews tolerances and issues a transparent itemized B2B quote.

02

Prototype Sampling

We source exact hides or fabrics, draft digital CAD patterns, and produce a golden approval prototype within 7 to 10 business days.

03

Bulk Production

Upon prototype sign-off, bulk production runs with continuous AQL 2.5 in-line inspections across every production phase.

04

Global Export Freight

Goods are individually polybagged, boxed, and dispatched with complete export customs clearance via air express, air cargo, or ocean freight.

Request Manufacturing Quotation

Silvon International Production Engineering • Sialkot, Pakistan