Polo, performance top and hoodie samples arranged with sizing, fabric and packing references

SenLin resource center

Apparel Sourcing Resources for B2B Buyers

Buyer-first references for measurements, fabrics, care, teamwear, purchasing and international delivery—connected to the products and questions they support.

Where to start

Which guide do you need first?

You are preparing a first enquiry and want to know what a factory needs from you.
Custom Apparel Buying Guide
You are building a size chart or grading a range for a new fit.
Custom Apparel Size Guide
You are choosing between fleece, French terry and performance knits, or comparing fabric weights.
Performance & Fleece Fabric Technology
You are planning uniforms or teamwear across several roles or locations.
Teamwear & Workplace Dress-Code Guide
You need care instructions or a wash test before approving a sample.
Garment Care & Wash-Approval Guide
You are comparing sea, air and express delivery, or agreeing freight and return terms.
Apparel Logistics, Freight & Returns Guide

Factory context

Pair guidance with evidence and confirmed terms.