EXCLUSIVE AT MR PORTER. Our capsule with Onia is full of pieces that work on the beach and by the bar. Designed with a concealed fastening to resemble the clean lines of tailoring, these quick-drying 'Calder' shorts are fitted with discreet drawstrings so you can comfortably adjust them throughout the day. Shown here with Holiday Boileau T-shirt, Castañer espadrilles.

• Fits true to size. Take your normal size
• Slim cut, mid-rise style
• Long-length
• Internal drawstring at the waist for a flexible fit
• Built-in mesh briefs
• Model wears a M
• Model measures: waist size 32, height 6'1"/ 185cm

• Navy shell
• Drawstring waistband, designer emblem, two on-seam pockets, back Velcro®-fastening pocket, side slits, mesh lining
• Zip and snap fastening
• 95% polyester, 5% spandex
• Machine wash