Technical Features

15D Ultra-Sil®

  • Jacob Lee
15D Ultra-Sil®
One of the lightest coated fabrics that Sea to Summit manufactures, the 15 Denier Ultra-Sil is a siliconized nylon fabric with a polyurethane (PU) inner coating for mild waterproofing. This ultralight fabric has a 1,200mm hydrostatic head.

Ask us anything

Our customer care team is here for you

Contact Us
Top Picks
Lime || Ultra-Sil Nano Poncho
Lime || Ultra-Sil Nano Poncho

Ultra-Sil Nano Poncho

CHF 99.95
Ultra-Sil Dry Bag
3L / Blue Atoll || Ultra-Sil Dry Bag

Ultra-Sil Dry Bag

+1
CHF 15.95-CHF 35.95
Ultra-Sil Dry Bag Set
Ultra-Sil Dry Bag Set

Ultra-Sil Dry Bag Set

CHF 49.95
15mm || Side Release Field Repair Buckle
2mm || Side Release Field Repair Buckle
-20%

Replacement Buckle Side Release - Past Season

CHF 4.90-CHF 5.90CHF 3.92-CHF 4.72
Shop all Hiking Gear
S / High Rise || Hanging Toiletry Bag
L / High Rise || Hanging Toiletry Bag

Ultra-Sil Hanging Toiletry Bag

CHF 39.95-CHF 44.95
[12 Pack] || Wilderness Wipes
[8 Pack] || Wilderness Wipes

Wilderness Wipes

CHF 4.95-CHF 7.95
Ultra-Sil Eye Shade
Spicy Orange || Travel Eye Shades

Ultra-Sil Eye Shade

CHF 16.95
Air Seat
Air Seat
Get notified

Air Seat

CHF 29.95
Shop all Everyday Essentials
3/5/8L || Ultra-Sil Stuff Sack Set
5/8/13L || Ultra-Sil Stuff Sack Set

Ultra-Sil Stuff Sack Set

CHF 56.95-CHF 61.95
Ultra-Sil Stuff Sack
1.5L / Blue Atoll || Ultra-Sil Stuff Sack

Ultra-Sil Stuff Sack

CHF 15.95-CHF 28.95
Ultra-Sil Compression Sack
5L / Blue Atoll || Ultra-Sil Compression Sack

Ultra-Sil Compression Sack

CHF 32.95-CHF 51.95
3/5/8L || Mesh Stuff Sack Set
5/8/13L || Mesh Stuff Sack Set

Mesh Stuff Sack Set

CHF 49.95-CHF 54.95
Shop all Camping Storage
Ground Control Tent Pegs
Ground Control Tent Pegs

Ground Control Tent Pegs

CHF 29.95
Camping Utensil & Peg Bag

Ultra-Sil Peg & Utensil Bag

CHF 9.95
Ground Control Light Tent Pegs - [6 Pack]
Ground Control Light Tent Pegs - [6 Pack]
Get notified

Ground Control Light Tent Pegs - [6 Pack]

CHF 19.95
Reflective Accessory Cord
Reflective Accessory Cord
-20%

Reflective Accessory Cord

CHF 10.50-CHF 10.90CHF 8.40-CHF 8.72
Shop all Tent Accessories

Blog

Adventure Tips

View blog