ASTER Swim Pants vs POMIO Swim Shorts: Fit and Fabric Guide
By Konges Sløjd | Official Brandsite and Online store – Konges ... | Published: 2026-10-31
Category: Comparisons
Compare ASTER swim pants and POMIO swim shorts on fabric, waist fit, and leg shape. See which quick-drying style suits toddlers, boys, and active swimmers.
Quick answer
Choose ASTER swim pants for a closer, stay-put fit with a short straight leg; choose POMIO swim shorts for a classic, roomier cut with a broad elastic waist. Both use quick-drying recycled fabric, so the real decision is leg shape and waist feel.
Where the two styles actually differ
The ASTER swim pants and POMIO swim shorts share the same practical foundation: quick-drying recycled polyester or polyamide blends with elastane, plus an elastic waist and drawstring. That means both handle pool sessions and beach days without staying heavy or saggy.
The difference is in the cut. ASTER is described as a short, straight leg that holds its shape in and out of the water, with a drawstring at the front for a closer fit. POMIO is a classic silhouette with a broad elastic waistband and adjustable drawstring for a flexible fit. In practice, ASTER feels more contained around the leg opening, while POMIO feels more like traditional swim trunks.
Fabric facts that affect daily use
ASTER uses a soft, quick-drying recycled polyester blend with elastane. The elastane is what helps the short straight leg keep its shape when wet, which matters if your child is constantly in and out of the water.
POMIO uses quick-drying recycled polyester that is GRS certified, and the product contains 100% GRS-certified recycled polyamide. If recycled content is a priority for your family, POMIO gives you a specific certification to look for. Neither style lists a UPF rating or chlorine-resistance claim in the supplied facts, so treat both as everyday swimwear rather than specialist sun-protection gear.
The trade-off: containment vs roominess
ASTER's closer fit and straight leg reduce gaping at the leg opening, which can be helpful for toddlers and leaner children who tend to slip through looser trunks. The trade-off is less room for bulky swim diapers or a fuller build.
POMIO's broad elastic waist and classic cut give more room through the seat and thigh, which suits active boys who prefer a traditional trunk feel. The trade-off is that a roomier leg opening can ride up or feel loose on very slim children. Neither style is inherently better; match the cut to your child's body and how they move.
Decision rules for choosing between ASTER and POMIO
- If you need a closer fit for a toddler or slim child: Pick ASTER swim pants. The front drawstring and short straight leg are designed to sit closer and hold shape, reducing the chance of gaping or slipping. Check the size chart against your child's waist and height before ordering, since the closer cut leaves less room for growth.
- If your child prefers traditional trunks with room to move: Pick POMIO swim shorts. The broad elastic waistband and classic silhouette give more space through the seat and thigh for running, jumping, and climbing. A roomier cut can feel loose on very slim children, so size down if your child is between sizes.
- If recycled certification is a deciding factor: POMIO carries a specific GRS certification (CU 1094701) and states 100% GRS-certified recycled polyamide. ASTER uses a recycled polyester blend but does not list a certification number in the supplied facts. Choose POMIO when you want a documented recycled-content claim; choose ASTER when fit is the higher priority.
Product facts at a glance
- ASTER SWIM PANTS GRS - tea stripe: Soft, quick-drying recycled polyester blend with elastane; elastic waist with front drawstring; short, straight leg holds its shape in and out of the water. The elastane and straight leg give a closer, more contained fit that resists sagging during active water play.
ASTER SWIM PANTS GRS - tea stripe - POMIO SWIM SHORTS - sea moss: Quick-drying recycled polyester, GRS certified; classic silhouette with broad elastic waistband and adjustable drawstring; contains 100% GRS-certified recycled polyamide (CU 1094701). The broad waistband and classic cut offer a flexible, roomier fit, and the certification gives a verifiable recycled-content claim.
POMIO SWIM SHORTS - sea moss
Which style fits your child?
Best for
- Toddlers and leaner children who need a closer, stay-put fit
- Parents who want a short, straight leg that resists riding up
- Families prioritizing a soft, stretchy feel with elastane
Not for
- Children who need extra room for a bulky swim diaper or fuller build
- Kids who prefer a traditional, roomier trunk silhouette
- Shoppers who specifically require a listed GRS certification number
