Chantelle Soft Stretch Seamless Hipster Plus Size Panty (1134). The Chantelle Soft Stretch Seamless Hipster Plus Size Panty 1134 has bonded elastic along the waist, sides and leg openings for a custom fit with no visible panty lines. Chantelle's Soft Stretch Seamless Hipster Plus Size Panty is made of polyamide and elastane, with a cotton gusset.