Sebastien Underwear Set and Swimsuit Pattern | 3-12 Years

Underwear set + swimsuit pattern for boys 

Underwear : tank-top and shorty and a swimsuit boxershorty
Underwear : Ribbing at armholes and neckline, fancy elastic at waistband, gusset at shorty front with full lining and enclosed seams, and dart at gusset. No seam at back, side seams.

Swimsuit : seams at crotches, no side seams, elastic into waistband, full lining 

Underwear : jersey with or without elastan, ribbing.  
Swimsuit : jersey in polyamide or polyester with lycra (around 20% of lycra). For the lining : use main fabric or special polyester moss crepe

Trims : 

• basic or fancy elastic 3 to 4 cm wide for underwear short
• elastic 2 cm wide for the swimwear shorty
• fully voluminous polyester thread (multi-fibers) and polyester basic thread
• special needle for jersey and evene microtex needle for swimsuit is better
• double needle for hems (if you do not have one, it is possible to replace all the points made with a double needle by a zig-zag stitch) - prefer the special needle for jersey 
• Wonder clips (better than pins for the swimsuit fabric)
• double training foot for sewing machine