Features:

Sliding rail sternum straps
Bottle holster tightens to carry phone or camera
iPhone compatible pockets
Unique, on-the-go trekking pole holders
Double ice axe loops
Soft and flexible 150g mono-mesh
Two mesh pouches for wet or voluminous gear
Secure lateral pockets

Sizing At Chest (Unisex):

SM: 24 - 36 in. / 62 - 92 cm
MD: 31 - 41 in. / 80 - 104 cm
LG: 38 - 48 in. / 96 - 122 cm
Measure wearing the clothes you intend to wear
A vest full of gear will fit smaller

Specs:

Volume Capacity: 977 in³/ 16L
Weight: 14.42 oz. / 412 g
Height: 17.3 in. / 44 cm
Width: 9.4 in. / 24 cm
Depth: 9.1in. / 23 cm

Materials:

150g Knit Mono Mesh: New 150gsm harness conforms to your body for absolute comfort and superior load carrying
180g Darlington Power Mesh: Lightweight strength with differential stretch in the x and y axis for enhanced load management
SilNylon/66: Silicone-Impregnated 30D nylon with a polyurethane face creates a permanently waterproof fabric, and substantially increases seam and tear strength